CN115843461A

CN115843461A - Wireless communication method and apparatus

Info

Publication number: CN115843461A
Application number: CN202080103040.2A
Authority: CN
Inventors: 赵振山; 张治�
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2023-03-24
Also published as: US20230138096A1; WO2022016545A1; EP4187824A1; EP4187824A4

Abstract

A wireless communication method and apparatus are provided, the method comprising: terminal equipment acquires sideline configuration information aiming at a sideline authorized carrier and a sideline unauthorized carrier; and the terminal equipment sends and/or receives the sidestream data on the sidestream authorized carrier wave and the sidestream unauthorized carrier wave according to the sidestream configuration information. By acquiring the sideline configuration information aiming at the sideline authorized carrier and the sideline unauthorized carrier, the sideline authorized carrier and the sideline unauthorized carrier can be coordinated and managed, and equivalently, the access delay of the sideline unauthorized carrier and the reliability of data transmission can be controlled by the sideline authorized carrier, so that the access delay can be reduced, the reliability of data transmission can be improved, and correspondingly, the QoS requirement of service data can be met.

Description

Wireless communication method and apparatus

Technical Field

The embodiments of the present application relate to the field of communications, and more particularly, to a wireless communication method and apparatus.

Background

When the sidestream communication of the terminal equipment works in the unlicensed frequency band, the terminal equipment may not obtain effective sidestream configuration information on the unlicensed frequency band, and since the terminal equipment needs to access a channel in a Channel Sensing (CSMA)/avoidance (CA) manner before working in the unlicensed frequency band, access delay and reliability of data transmission are uncontrollable, and thus, a requirement of Quality of service (QoS) of part of service data cannot be met.

Disclosure of Invention

The wireless communication method and the wireless communication equipment can reduce access delay and improve the reliability of data transmission, and accordingly can meet the QoS (quality of service) requirements of service data.

A first aspect provides a wireless communication method applied to sidelink communication without a central control node, the method including:

the terminal equipment acquires the sideline configuration information aiming at the sideline authorized carrier and the sideline unauthorized carrier;

and the terminal equipment transmits and/or receives the sidestream data on the sidestream authorized carrier wave and the sidestream unauthorized carrier wave according to the sidestream configuration information.

In a second aspect, a wireless communication method is provided, including:

a head-up terminal CH acquires first configuration information aiming at a side row authorized carrier and second configuration information aiming at a side row unauthorized carrier;

the CH transmits the first configuration information and/or the second configuration information.

In a third aspect, a wireless communication method is provided, including:

a member terminal CM acquires first configuration information aiming at a sidelink authorized carrier and/or second configuration information aiming at a sidelink unauthorized carrier;

and the CM performs collateral communication according to the first configuration information and/or the second configuration information.

In a fourth aspect, a terminal device is provided, configured to perform the method in the first aspect or each implementation manner thereof. Specifically, the terminal device includes a functional module configured to execute the method in the first aspect or each implementation manner thereof.

In a fifth aspect, a terminal device is provided, configured to execute the method in the second aspect or each implementation manner thereof. Specifically, the terminal device includes a functional module for executing the method in the second aspect or each implementation manner thereof.

In a sixth aspect, a terminal device is provided, configured to perform the method in the third aspect or each implementation manner thereof. Specifically, the terminal device includes a functional module for executing the method in the third aspect or each implementation manner thereof.

In a seventh aspect, a terminal device is provided that includes a processor and a memory. The memory is configured to store a computer program, and the processor is configured to call and execute the computer program stored in the memory to perform the method in the first aspect or each implementation manner thereof.

In an eighth aspect, a terminal device is provided that includes a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the method of the second aspect or each implementation manner thereof.

In a ninth aspect, a terminal device is provided that includes a processor and a memory. The memory is configured to store a computer program, and the processor is configured to call and execute the computer program stored in the memory to perform the method in the third aspect or each implementation manner thereof.

A tenth aspect provides a chip for implementing the method of any one of the first to third aspects or implementations thereof. Specifically, the chip includes: a processor configured to call and run a computer program from a memory, so that the device on which the chip is installed performs the method according to any one of the first to third aspects or the implementation manners thereof.

In an eleventh aspect, a computer-readable storage medium is provided for storing a computer program, the computer program causing a computer to perform the method of any one of the first to third aspects or implementations thereof.

In a twelfth aspect, there is provided a computer program product comprising computer program instructions for causing a computer to perform the method of any of the first to third aspects or implementations thereof.

In a thirteenth aspect, there is provided a computer program which, when run on a computer, causes the computer to perform the method of any one of the above first to third aspects or implementations thereof.

Based on the technical scheme, the side row configuration information aiming at the side row authorized carrier and the side row unauthorized carrier is obtained, the side row authorized carrier and the side row unauthorized carrier can be coordinated and managed, equivalently, the access delay of the side row unauthorized carrier and the reliability of data transmission can be controlled through the side row authorized carrier, so that the access delay can be reduced, the reliability of data transmission can be improved, and correspondingly, the QoS requirement of service data can be met.

Drawings

Fig. 1 to 7 are examples of scenarios to which the embodiments of the present application are applicable.

Fig. 8 to fig. 11 are schematic flowcharts of a wireless communication method provided in an embodiment of the present application.

Fig. 12 and fig. 13 are schematic block diagrams of a terminal device provided in an embodiment of the present application.

Fig. 14 is a schematic block diagram of a chip provided in an embodiment of the present application.

Detailed Description

The technical solution in the embodiments of the present invention will be described below with reference to the accompanying drawings.

The embodiment of the invention can be applied to any terminal equipment-to-terminal equipment communication framework. For example, vehicle to Vehicle (V2V), vehicle to other Device (V2X), terminal to Device (D2D), etc. The terminal device in the embodiment of the present invention may be any device or apparatus configured with a physical layer and a media access control layer, and the terminal device may also be referred to as an access terminal. Such as a User Equipment (UE), subscriber unit, subscriber station, mobile station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or User Equipment. An access terminal may be a cellular telephone, a cordless telephone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device having Wireless communication capabilities, a computing device or other linear processing device connected to a Wireless modem, a vehicle mounted device, a wearable device, or the like. The embodiment of the present invention is described by taking a vehicle-mounted terminal as an example, but is not limited thereto.

FIG. 1 is an example of a system framework 110 to which embodiments of the present application are applicable.

The system framework 100 may also be referred to as a network overlay inboard communication system framework.

As shown in fig. 1, terminal device 112 and terminal device 113 are covered in the range of network device 111, terminal device 112 and terminal device 113 perform sidestream communication within the network coverage of network device 111, terminal device 112 and terminal device 113 may be connected to network device 111 through Uu interface, respectively, and terminal device 112 and terminal device 113 may perform sidestream communication through sidestream link. In other words, within the system framework 110, all terminals in sidestream communication are within the coverage of the same network device. Optionally, both the terminal device 112 and the terminal device 113 may perform sidestream communication based on the same sidestream configuration by receiving the configuration signaling of the network device 110.

FIG. 2 is an example of a system framework 120 to which embodiments of the present application are applicable.

The system framework 100 may also be referred to as a partial network overlay sidestream communication system framework.

As shown in fig. 2, the terminal device 122 is located within the network coverage of the network device 121, the terminal device 123 is located outside the network coverage of the network device 121, the terminal device 122 may be connected to the network device 121 through a Uu interface, and the terminal device 122 and the terminal device 123 may perform sidestream communication through a sidestream link. In other words, within the system framework 120, a part of terminals performing sidestream communication is located in the coverage area of the network device 121, and the part of terminals can receive the configuration signaling of the network device 121 and perform sidestream communication according to the configuration of the network device 121. While the other part of the terminals located outside the network coverage area cannot receive the configuration signaling of the network device 121, in this case, the terminals determine the sidestream configuration according to the pre-configuration information and the information carried in the sidestream broadcast channel (PSBCH) sent by the terminals located in the network coverage area (e.g. the terminal device 122), and perform sidestream communication. Alternatively, terminal devices located within the network coverage may become IC terminals, and terminal devices located outside the network coverage may be referred to as OOC terminals. Optionally, the sidestream configuration determined by the IC terminal through the cellular network configuration signaling should be consistent with the sidestream configuration determined by the OOC terminal through pre-configuration and PSBCH for sidestream communication, so as to ensure normal sidestream communication between the IC terminal and the OOC terminal. For example, the carrier frequency position determined by both parties should be the same as the information about the configuration of the uplink frequency segment (SL BWP) on the carrier (e.g., BWP position, bandwidth, subcarrier spacing, CP length, position and number of uplink symbols in the slot, etc.). Optionally, the sending resource pool determined by the IC terminal through the network configuration should be included in the receiving resource pool pre-configured by the OOC, and the receiving resource pool determined by the IC terminal through the network configuration should include the sending resource pool determined by the OOC terminal through the pre-configuration. Optionally, the timing adopted by the IC terminal and the OOC terminal should be smaller than a certain error, so as to ensure normal sideline communication between the IC terminal and the OOC terminal. For example, the IC terminal and the OOC terminal use the same synchronization source, e.g., both use GNSS, or use different synchronization sources with the same timing, e.g., the IC terminal uses the gNB as the synchronization source, and the OOC terminal uses the IC terminal that transmits the synchronization signal as the synchronization source.

FIG. 3 is an example of a system framework 130 to which embodiments of the present application are applicable.

The system framework 100 may also be referred to as a network overlay outside communication system framework.

As shown in fig. 3, terminal device 131 and terminal device 132 are not within the coverage of the network device, and terminal device 131 and terminal device 132 may communicate via a sidelink. In other words, in the system framework 130, all terminals performing sidestream communication are located outside the network coverage. Optionally, all the terminals determine the sideline configuration according to the pre-configuration information to perform the sideline communication. Optionally, the pre-configuration of OOC terminals communicating sideways with each other should be consistent. Optionally, the OOC terminals should use the same synchronization source or different synchronization sources with the same timing, so as to ensure that the timing between the terminals is smaller than a certain error.

FIG. 4 is an example of a system framework 140 to which embodiments of the present application are applicable.

The system framework 140 may also be referred to as a scenario or system without a central control node.

As shown in fig. 4, each of the terminal device 141, the terminal device 142, and the terminal device 143 may serve as a receiving end and a transmitting end, and the terminal device 141, the terminal device 142, and the terminal device 143 may perform a sidelink communication therebetween via a sidelink. The side-line communication resource between the sending end and the receiving end is selected by the sending end in a specific resource pool.

FIG. 5 is an example of a system framework 150 to which embodiments of the present application are applicable.

The system framework 150 may also be referred to as a scenario or system with a central control node.

As shown in fig. 5, the terminal device 151, the terminal device 152, and the terminal device 153 may all be used as a receiving end and a sending end, where the terminal device 151 is used as a central control node, the central control node may also be called a Cluster Head (CH), the terminal device 152 and the terminal device 153 are used as Member nodes in the system framework 150, and the Member nodes may also be called Member terminals (CMs). Optionally, the central control node has one of the following functions: responsible for the establishment of communication groups; joining and leaving of group members; performing resource coordination, allocating sideline transmission resources for other terminals, and receiving sideline feedback information of other terminals; and performing resource coordination and other functions with other communication groups. Optionally, the terminal device 152 and the terminal device 153 may communicate with the terminal device 151 through a link for allocating resources, respectively. For example, the HM link between CH to CM and the MH link between CM to CH. The terminal device 152 may communicate sidestream with the terminal device 153 via a sidestream link.

It should be noted that, in each of the above system frameworks, the terminal device may be in two communication modes, where the two communication modes may include a first mode and a second mode. Optionally, the first mode may refer to that the transmission resource of the terminal is allocated by the network device, and the terminal transmits data on the sidelink according to the resource allocated by the network device. Optionally, the network device may allocate a resource for single transmission to the terminal, and may also allocate a resource for semi-static transmission to the terminal. The second mode refers to that the terminal selects one resource from the resource pool to transmit data. Optionally, the second mode may further be divided into a scenario without a central control node and a scenario with a central control node according to whether a central control node of a non-network device type exists.

Fig. 6 is an example of a system framework 160 capable of performing dual carrier sidelink communication according to an embodiment of the present application.

As shown in fig. 6, the system framework 160 may include a network device 161, a terminal device 162, and a terminal device 163. The network device 161 may be connected to the terminal device 162 through the Uu interface, and the terminal device 162 may perform sidestream communication with the terminal device 163 on a sidestream authorized carrier and a sidestream unlicensed carrier.

Fig. 7 is an example of a system framework 170 that can perform dual carrier sidelink communications according to an embodiment of the present disclosure.

As shown in fig. 7, the system framework 170 may include a network device 171, a terminal device 172, a terminal device 173, and a terminal device 174. The network device 161 may be connected to the terminal device 172 through a Uu interface, the terminal device 172 may perform sidestream communication with the terminal device 173 and the terminal device 174 through a link for allocating resources, and the terminal device 173 may perform sidestream communication with the terminal device 174 on a sidestream authorized carrier and a sidestream unlicensed carrier. In other words, the terminal device 172 may act as a head-of-group terminal or a central control node.

Fig. 8 is a schematic flow chart of a wireless communication method 200 provided by an embodiment of the present application. It should be understood that the method 200 may be performed by a terminal device located within the coverage of a network device, a terminal device located outside the coverage of a network device, and a head-of-group terminal or a member terminal.

As shown in fig. 8, the method 200 may include:

s210, the terminal equipment acquires the sideline configuration information aiming at the sideline authorized carrier and the sideline unauthorized carrier.

And S220, the terminal equipment sends and/or receives the sideline data on the sideline authorized carrier wave and the sideline unauthorized carrier wave according to the sideline configuration information.

For example, the terminal device may utilize the sidestream authorized carrier and the sidestream unlicensed carrier to perform sidestream communication through the sidestream configuration information.

By acquiring the sideline configuration information aiming at the sideline authorized carrier and the sideline unauthorized carrier, the sideline authorized carrier and the sideline unauthorized carrier can be coordinated and managed, and equivalently, the access delay of the sideline unauthorized carrier and the reliability of data transmission can be controlled by the sideline authorized carrier, so that the access delay can be reduced, the reliability of data transmission can be improved, and correspondingly, the QoS requirement of service data can be met.

In some embodiments of the present application, the sidelink authorized carrier refers to a carrier that can be used for sidelink communication and the terminal device does not need to access the channel resource by way of channel sensing and/or avoidance, and/or the sidelink unlicensed carrier refers to a carrier that can be used for sidelink communication and the terminal device needs to access the channel resource by way of channel sensing and/or avoidance. For example, the sidelink licensed carrier may include a carrier licensed to an operator or a carrier dedicated to a particular traffic type. For example, the sidelink unlicensed carriers may include carriers that are not licensed to any one operator or may be used for any type of service.

In some embodiments of the present application, the S210 may include:

the terminal equipment acquires first configuration information on a side-row authorization carrier.

In some embodiments of the present application, the first configuration information includes information carried on configuration signaling sent by the network device and/or information carried on sidelink broadcast information sent by other terminal devices. For example, the first configuration information includes information carried in configuration signaling sent by a network device, and the terminal device has a capability of sending and receiving information on a Uu interface.

In other words, the terminal device may obtain the first configuration information by at least one of:

mode 1-1-L1: the terminal device receives the configuration signaling of the network device to obtain the first configuration information on the sidelink authorized carrier, in this case, the terminal needs to have the capability of receiving and sending information at the Uu interface.

Modes 1-1-L2: the terminal device determines the first configuration information by receiving sideline broadcast information transmitted by other terminals, in which case the terminal device may not have the capability of transmitting and receiving information over the Uu interface.

In some embodiments of the present application, the first configuration information is indicated by sidelink broadcast information sent by other terminal devices on a first carrier, and the first carrier and the sidelink grant carrier may be the same or different. For example, the terminal device determines the frequency location of the first carrier and/or the bandwidth of the first carrier according to preconfigured information.

In some embodiments of the present application, the method is applied to sidelink unicast communication between two devices, the terminal device being either one of the two devices; or the method is applied to the side-row multicast communication among a plurality of devices, and the terminal device belongs to at least one device in the plurality of devices.

For example, for two terminals in the sidelink unicast communication, at least one of the terminals needs to determine the first configuration information by receiving the network device configuration signaling. For a plurality of terminals in the sidestream multicast communication, at least one terminal needs to determine the first configuration information by receiving a network device configuration signaling. In other words, for two terminals in the sideline unicast communication, at least one of the terminals needs to acquire the first configuration information in the mode 1-1-L1. For a plurality of terminals in the sideline multicast communication, at least one terminal needs to acquire the first configuration information through a mode 1-1-L1.

In some embodiments of the present application, for sidelink unicast communication and sidelink multicast communication, if a plurality of terminals therein have the capability of sending and receiving sidelink information on a licensed carrier, the connection between the plurality of terminals in the sidelink unicast communication and the sidelink multicast communication can be established through signaling interaction on the sidelink licensed band.

In some embodiments of the present application, the S210 may include:

the terminal equipment acquires second configuration information on a sideline non-authorized carrier.

In some embodiments of the present application, the second configuration information comprises at least one of:

carrying information on a configuration signaling sent by the network equipment;

carrying information on sideline broadcast information sent by other terminal equipment;

the terminal equipment interacts the acquired information with the other terminal equipment; and

information determined by the terminal device.

In some embodiments of the present application, the second configuration information is indicated by configuration signaling sent by a network device, and the terminal device has a capability of sending and receiving information on a Uu interface to obtain the second configuration information.

In some embodiments of the present application, the second configuration information is determined by the terminal device, and the terminal device sends the second configuration information determined by the terminal device to other terminal devices.

In other words, the terminal device in the present application may determine the second configuration information by at least one of the following manners:

mode 1-1-U1: and the terminal equipment receives the configuration signaling of the network equipment to acquire the second configuration information, and in this case, the terminal needs to have the capability of receiving and sending information at the Uu interface.

Mode 1-1-U2: and the terminal equipment determines the second configuration information through signaling interaction with one or more terminals.

Modes 1-1-U3: and the terminal equipment determines the second configuration information according to the realization of the terminal equipment, and in this case, the terminal equipment sends the determined second configuration information by sending a sideline broadcast message.

Modes 1-1-U4: and the terminal equipment determines the second configuration information by receiving the sideline broadcast message sent by other terminals.

In some embodiments of the present application, the information carried on the configuration signaling sent by the network device includes at least one of the following: the absolute radio frequency channel number ARFCN of the side-row unauthorized carrier, the bandwidth BW of the side-row unauthorized carrier and a resource pool which can be used for side communication by the terminal equipment on the side-row unauthorized carrier.

For example, the terminal device may determine, in the manner 1-1-U1, information such as ARFCN and BW of the sideline unlicensed carrier, so as to better coordinate resource allocation of the sideline unlicensed carrier, and determine, in the manner 1-1-U2, the manner 1-1-U3, or the manner 1-1-U4, information such as BW, SCS, and resource pool of the sideline unlicensed carrier, so as to better adapt to the sending capability and service characteristics of the terminal. For another example, the terminal device may determine the ARFCN, BW, resource pool, and other information of the sidelink unlicensed carrier according to the manner 1-1-U1, so that the network may further coordinate resource allocation on the sidelink unlicensed carrier, and determine the BWP, SCS, and other configuration information of the sidelink unlicensed carrier through the manner 1-1-U2, the manner 1-1-U3, or the manner 1-1-U4, so as to better adapt to the sending capability of the terminal.

Of course, the terminal device may determine all the sidestream configurations on the sidestream unlicensed carrier in one of the modes 1-1-U1, 1-1-U2, 1-1-U3, or 1-1-U4.

In some embodiments of the present application, the method 200 may further comprise:

the terminal equipment determines Channel Occupancy Time (COT) information of other terminal equipment on the sideline unauthorized carrier;

and the terminal equipment determines a channel access mode aiming at the sidestream unauthorized carrier based on the COT information.

In some embodiments of the present application, the terminal device determines the COT information based on at least one of:

the terminal equipment receives information sent by other terminal equipment on the sidestream unauthorized carrier;

and the terminal equipment receives the information sent by the other terminal equipment on the authorized carrier associated with the sidestream unauthorized carrier.

In other words, the terminal device may determine the channel access manner for the sidelink unlicensed carrier according to the COT information for the sidelink unlicensed carrier sent by the other terminal. For example, if the resource is in the COT of other terminals, the terminal device may access the channel by a channel listening mode of 16us, and conversely, the terminal device needs to access the channel by a channel listening mode of listening back-off. For the sidelink unlicensed carrier, the terminal device may determine COT information for the sidelink unlicensed carrier in one of three ways:

mode 1-1-C1: and the terminal equipment receives the related information sent by other terminals on the authorized carrier associated with the sidestream unauthorized carrier to determine the COT information.

Modes 1-1-C2: and the terminal equipment receives the COT information of the related information on the sideline unauthorized carrier wave.

Modes 1-1-C3: and the terminal equipment receives related information on the authorized carrier associated with the side row unauthorized carrier and the side row unauthorized carrier to determine the COT information.

the terminal equipment sends the COT information to other terminal equipment through physical layer signaling on a second carrier;

the second carrier comprises at least one of the sidestream unlicensed carrier, an unlicensed carrier associated with the sidestream unlicensed carrier, and a licensed carrier associated with the sidestream unlicensed carrier.

In some embodiments of the present application, resources used for sending service data on the second carrier have available resources within a time period [ t + a, t + b ], where t is a time when the terminal device determines the COT information, and a or b is a non-negative value; and the terminal equipment sends the COT information to other terminal equipment through the physical layer signaling on the second carrier within the time period [ t + a, t + b ].

In some embodiments of the present application, the resource for transmitting the service data on the second carrier does not have an available resource in a time period [ t + a, t + b ], the terminal device triggers a resource selection operation or a resource reselection operation, and/or the terminal device sends a scheduling request SR to a network device, where the SR is used to request the network device to allocate a sidestream resource to the terminal device.

In some embodiments of the present application, a or b is a preset value, or a or b is a preset value.

In some embodiments of the present application, the physical layer signaling is carried on a sidelink physical control channel PSCCH or a sidelink physical data channel PSCCH.

In other words, the terminal device may share the COT information on the sideline unlicensed carrier U by:

modes 1-1 to S1: the terminal equipment sends the COT information only on the unauthorized carrier related to the side-row unauthorized carrier through physical layer signaling, and the physical layer signaling can be carried by a side-row physical control channel PSCCH, a side-row physical data channel PSSCH or other side-row physical channels. Preferably, if the terminal device determines the COT information at time t, but there is no corresponding sidelink transmission resource on the unlicensed carrier associated with the sidelink unlicensed carrier within a time period [ t + a, t + b ] to transmit the COT information, the terminal device should trigger resource selection or resource reselection, or initiate a scheduling request SR procedure to apply for a corresponding sidelink resource from the network device, where values of a and b may be configured, preconfigured, or defined by a standard by the network device. For example, if there is a sidelink resource capable of carrying the COT information on the unlicensed carrier associated with the sidelink unlicensed carrier within the time period [ t + a, t + b ], the terminal device may randomly select a resource within a specific time-frequency resource range within the range [ t + a, t + b ] on the associated licensed carrier to transmit the COT information.

Modes 1-1-S2: the terminal equipment sends the COT information only on the side-row authorized carrier associated with the side-row unauthorized carrier through physical layer signaling, and the physical layer signaling can be carried by a side-row physical control channel PSCCH, a side-row physical data channel PSSCH or other side-row physical channels. Preferably, if the terminal device determines the COT information at time t, but there is no corresponding sidelink transmission resource on the licensed carrier associated with the sidelink unlicensed carrier within the time period [ t + a, t + b ] to transmit the COT information, the terminal device should trigger resource selection or resource reselection, or initiate a scheduling request SR procedure to apply for a corresponding sidelink resource from the network device, where values of a and b may be configured, preconfigured, or defined by a standard by the network device. For example, if there is a sideline resource capable of carrying the COT information on the authorized carrier associated with the sideline unlicensed carrier in [ t + a, t + b ], the terminal device may randomly select a resource in a specific time-frequency resource range in the range of [ t + a, t + b ] on the associated authorized carrier to send the COT information.

Compared with the mode 1-1-S1, the mode 1-1-S2 can send out the COT information on the authorized carrier with less time-frequency resources even if no data service needs to be sent when the terminal device determines the COT information, and the sending of the COT information on the sideline unauthorized carrier needs to ensure the requirement of the occupied bandwidth COB of the channel, and the time-frequency resources needed for sending the COT information is far greater than that of the former.

Modes 1-1 to S3: the terminal equipment sends the COT information only on the side-row unauthorized carrier through physical layer signaling, and the physical layer signaling can be carried by a side-row physical control channel PSCCH, a side-row physical data channel PSSCH or other side-row physical channels. The method is suitable for the situation that when the terminal equipment determines the COT information, the data service is just required to be sent, and if the terminal which does not have the capability of receiving the sideline information on the sideline authorized carrier exists, the method can ensure that the terminal can still obtain the COT information.

Modes 1-1-S4: after the terminal device determines the COT information at time t, if a sidestream transmission resource exists on the sidestream unauthorized carrier or the associated authorized carrier of the sidestream unauthorized carrier within the time range of [ t + a, t + b ] and can carry the COT information, the terminal device transmits the COT information at the first available sidestream resource after t, otherwise, the terminal device triggers resource selection or resource reselection on the authorized carrier, or initiates a scheduling request SR process to apply for the corresponding sidestream resource to the network device. This approach is suitable to reduce resource selection or resource reselection due to COT sharing trigger.

and the terminal equipment receives or transmits the side line synchronization signal and the side line broadcast channel block S-SSB.

In some embodiments of the present application, if the terminal device has a capability of sending and receiving information over a Uu interface, the terminal device uses a network device as a synchronization source, and sends the S-SSB on the sidelink authorized carrier and/or the sidelink unlicensed carrier according to the configuration of the network device; or if the terminal equipment does not have the capability of transmitting and receiving information on the Uu interface and supports the capability of receiving information on the sidelink authorized carrier, the terminal equipment receives the S-SSB on the sidelink authorized carrier; or if the terminal device only supports the capability of receiving information on the sidestream unlicensed carrier, the terminal device receives the S-SSB on the sidestream unlicensed carrier.

In other words, for a terminal performing sidestream communication through a sidestream authorized carrier and a sidestream unauthorized carrier, if the Uu interface receiving capability is supported, the terminal uses a network device as a synchronization source on both the sidestream authorized carrier and the sidestream unauthorized carrier. The terminal device can send a sidelink synchronization signal and a sidelink broadcast channel (collectively referred to as S-SSB) on a sidelink authorized carrier or a sidelink unlicensed carrier according to the configuration or the pre-configuration of the network device, and for a terminal that does not support Uu interface reception but supports sidelink authorized carrier reception, the terminal device can receive the S-SSB on the sidelink authorized carrier and use the S-SSB as a reference synchronization source for the sidelink authorized carrier and the sidelink unlicensed carrier, and for a terminal that only supports reception on the sidelink unlicensed carrier, the terminal device can receive the S-SSB on the sidelink unlicensed carrier and use the S-SSB as a reference synchronization source on the sidelink unlicensed carrier.

In some embodiments of the present application, a transmission period of the S-SSB on the sidelink unlicensed carrier is greater than a transmission period of the S-SSB on the sidelink licensed carrier.

In other words, the terminal device may send the S-SSB only on the sideline authorized carrier, only on the sideline unauthorized carrier, or on the sideline authorized carrier and the sideline unauthorized carrier, and if the S-SSB is sent on the sideline authorized carrier and the sideline unauthorized carrier, the sending period on the sideline unauthorized carrier should be preferably longer than the sending period on the sideline authorized carrier, so that the S-SSB on the sideline unauthorized carrier only provides the synchronization information for the terminal without the reception capability of the sideline authorized carrier, and the number and the service delay sensitivity of such terminals are very low, and accordingly, the utilization rate of the S-SSB can be improved. If the terminal device sends the S-SSB on the sidestream authorized carrier, the PSBCH can indicate the configuration information of the sidestream unauthorized carrier determined by the network device.

the terminal equipment acquires first associated information, wherein the first associated information comprises an unauthorized carrier associated with the sidelink authorized carrier.

In some embodiments of the present application, the first association information includes bandwidth information of the unlicensed carrier and timing information of the unlicensed carrier. In some embodiments of the present application, the first association information is preconfigured information, or the first association information is information sent by the terminal device through a sidelink physical broadcast channel PSBCH.

and the terminal equipment receives the configuration information of the unauthorized carrier wave sent by the network equipment.

For example, if the terminal device transmits S-SSB on the sidelink licensed carrier, the sidelink licensed carrier may be associated with one or more unlicensed carriers, and the association may be indicated by a PSBCH transmitted by the terminal device or pre-configured information. Furthermore, the PSBCH may indicate timing information and bandwidth information of the associated sidelink unlicensed carrier.

In some embodiments of the present application, the S220 may include:

a physical sidelink shared channel PSSCH sent by the terminal equipment on the sidelink unlicensed carrier;

and the terminal equipment sends hybrid automatic repeat request (HARQ) feedback information corresponding to the PSSCH on the side-line authorization carrier.

In some embodiments of the present application, the physical resource corresponding to the HARQ feedback information is a resource determined based on the time-frequency resource of the PSSCH and the carrier information where the PSSCH is located. Optionally, the PSCCH sent on the sidelink authorized carrier is used to schedule a resource corresponding to the PSCCH on the unlicensed carrier associated with the sidelink authorized carrier, where the PSCCH includes an identifier of the unlicensed carrier. In some embodiments of the present application, a physical sidelink control channel PSCCH sent on the sidelink unlicensed carrier is used to schedule a resource corresponding to a physical sidelink shared channel PSCCH on a licensed carrier associated with the sidelink unlicensed carrier, where the PSCCH includes an identifier of the sidelink licensed carrier.

In other words, there is HARQ feedback between the receiving terminal and the transmitting terminal. Optionally, for the PSSCH sent on the sideline unlicensed carrier, the HARQ feedback information corresponding to the PSSCH may be sent through the sideline licensed carrier, and the physical resource for carrying the HARQ feedback information is determined at least by the time-frequency resource of the PSSCH and the carrier information where the PSSCH is located. Optionally, the PSCCH transmitted on the sidelink licensed carrier may schedule PSCCH transmission on a sidelink unlicensed carrier associated with the sidelink licensed carrier, in which case the ID of the scheduled sidelink unlicensed carrier should be indicated in the PSCCH, and vice versa.

In some embodiments of the present application, the terminal device only uses for sending or receiving the sidestream data with priority higher than the first threshold or with latency requirement lower than the second threshold in the resource selected by the sidestream authorized carrier or the resource scheduled by the network device and located on the sidestream authorized carrier. Optionally, the first threshold or the second threshold is preset; or the first threshold or the second threshold is a threshold configured by a network device. In other words, the terminal device can only transmit sidestream data with priority higher than P or delay requirement lower than T on sidestream authorized carrier by using autonomously selected resource or resource scheduled by network device, where the value of P or T is defined by standard, configured by network device, or preconfigured.

In some embodiments of the present application, the sidelink unlicensed carrier and the sidelink licensed carrier are used for receiving or transmitting, respectively, different orders of transmission data for the same data. For example, for a Transport Block (TB) transmitted on a sidelink unlicensed carrier, its corresponding retransmission may be transmitted on the sidelink licensed carrier, and vice versa.

In some embodiments of the present application, the collateral configuration information comprises at least one of the following information:

the method comprises the following steps of determining an absolute radio frequency channel number ARFCN of a sideline carrier, a bandwidth BW of the sideline carrier, bandwidth segmentation BWP configuration information of the sideline carrier, a subcarrier interval SCS of the BWP of the sideline carrier, a sideline communication resource pool available for a terminal device on the sideline carrier, a sideline synchronization signal on the sideline carrier and a resource corresponding to a sideline broadcast channel block S-SSB.

In some embodiments of the present application, the sidestream configuration information further includes an absolute radio frequency channel number ARFCN of an unlicensed carrier associated with the sidestream licensed carrier and a bandwidth of the unlicensed carrier.

Fig. 9 is a schematic flow chart of a wireless communication method 300 provided in an embodiment of the present application. It should be understood that the method 300 may be performed by a terminal device located within the coverage of a network device, or may be performed by a head-of-group terminal.

As shown in fig. 9, the method 300 may include:

s310, the CH acquires first configuration information for the sidelink licensed carrier and second configuration information for the sidelink unlicensed carrier.

S320, the CH sends the first configuration information and/or the second configuration information.

For example, after acquiring the first configuration information and the second configuration information, the CH sends the first configuration information and/or the second configuration information to the CM.

In some embodiments of the present application, the first configuration information and/or the second configuration information is information configured by a network device.

In some embodiments of the present application, the method 300 may further comprise:

the sidelink unlicensed carrier includes one or more unlicensed carriers associated with the sidelink licensed carrier.

In some embodiments of the present application, the second configuration information is configuration information sent by a network device, or the second configuration information is information determined by the CH. Optionally, the second configuration information includes at least one of the following information: the absolute radio frequency channel number ARFCN of the unauthorized carrier, the bandwidth BW of the unauthorized carrier, the bandwidth segmentation BWP configuration information of the unauthorized carrier, the subcarrier spacing SCS of the BWP of the unauthorized carrier, and a sidestream communication resource pool available to a terminal device on the unauthorized carrier.

For example, if the configuration information of the unlicensed carrier or carriers associated with the unlicensed carriers and the corresponding bandwidth are included in the configuration information of the unlicensed carriers determined by the CH through receiving the configuration signaling of the network device, the CH may further receive the configuration information of the network device to determine other configuration information of the unlicensed carriers; alternatively, the CH determines other configuration information of the one or more sidelink unlicensed carriers based on its own implementation or pre-configuration information. If the configuration information of the unlicensed carrier or carriers associated with the unlicensed carrier is not included in the configuration information of the unlicensed carrier determined by the CH through receiving the configuration signaling of the network device, the CH may determine the ARFCN of the unlicensed carrier or carriers associated with the unlicensed carrier, the corresponding bandwidth, and other configuration information based on its own implementation manner or the pre-configuration information. The other configuration information includes at least one of BWP, SCS, and resource pool configuration of the sidelink unlicensed carrier.

In some embodiments of the present application, the transmitting, by the CH, the first configuration information and/or the second configuration information includes:

the CH sends the first configuration information and/or the second configuration information on the sidelink authorized carrier wave;

the CH sends the first configuration information and/or the second configuration information on the sidelink unlicensed carrier;

and the CH sends the first configuration information and/or the second configuration information on the sidelink authorized carrier wave and the sidelink unauthorized carrier wave.

For example, the CH in the present application may transmit the configuration information in one of the following ways:

mode 2-2-C1: the CH is only used for the first configuration information and/or the second configuration information on the sidelink authorized carrier.

Mode 2-2-C2: the CH only sends the first configuration information and/or the second configuration information on a sidelink unlicensed carrier.

Mode 2-2-C3: and the CH sends the first configuration information and/or the second configuration information on a sidelink authorized carrier and a sidelink unauthorized carrier.

In some embodiments of the present application, the second configuration information is carried on a physical channel, and a resource occupied by the physical channel is a time-frequency resource on the first authorized carrier. Optionally, the physical channel is a physical sidelink broadcast channel PSBCH, or the physical channel is a channel different from the PSBCH. Optionally, the time-frequency resource on the first authorized carrier is a resource of a sideline synchronization signal and a sideline broadcast channel block S-SSB, or the time-frequency resource on the first authorized carrier is a resource determined based on the resource of the S-SSB.

For example, if the CH transmits the second configuration information according to the mode 2-2-C1 or the mode 2-2-C2, it is preferable that the physical channel carrying the second configuration information occupies a specific resource on a sidelink licensed carrier or a sidelink unlicensed carrier. For example, the second configuration information may be carried by a PSBCH and transmitted in S-SSB resources; or, the second configuration information is carried by a sidelink broadcast channel different from the PSBCH, and the time-frequency resource occupied by the sidelink broadcast channel can be uniquely determined by referring to the time-frequency resource position of the S-SSB; or, the second configuration information is carried by a sidelink broadcast channel different from the PSBCH, and the broadcast channel occupies a fixed time-frequency resource in a specific period. In this case, the CH may preferably use the network device or the global navigation satellite system GNSS as a reference synchronization source according to the network device configuration or the provisioning information.

For another example, if the CH sends the second configuration information according to the mode 2-2-C3, the resources occupied by the physical channel carrying the configuration information on the sidestream authorized carrier and the sidestream unlicensed carrier may be the same as the modes 2-2-C1 and 2-2-C2, respectively.

the CH determines a manner for transmitting the first configuration information and/or the second configuration information.

In some embodiments of the present application, the manner for sending the first configuration information and/or the second configuration information is preset; or, the manner for sending the first configuration information and/or the second configuration information is information preconfigured for a network device; or, the manner for transmitting the first configuration information and/or the second configuration information is information determined by the CH.

In some embodiments of the present application, the method 300 may further include:

the CH sends the sideline synchronization signal and the sideline broadcast channel block S-SSB.

In some embodiments of the present application, if the member terminals CM all have the capability of sending and receiving information on the Uu interface, the CH uses a network device as a synchronization source and may not send the S-SSB on the sidelink licensed carrier and/or the sidelink unlicensed carrier; or if the CM does not have Uu interface receiving capability but supports the capability of receiving information on the sidelink authorized carrier, the CH sends the S-SSB to the CM on the sidelink authorized carrier; or if the CM only supports the capability of receiving information on the sidelink unlicensed carrier, the CH sends the S-SSB to the CM on the sidelink unlicensed carrier.

For example, if the CH transmits the first configuration information and/or the second configuration information according to the mode 2-2-C1, the CH may be preconfigured or implemented by itself according to the network device instruction, and does not transmit the S-SSB on the sidelink carrier, in this case, the CH and the CM both have Uu interface receiving capability or GNSS receiving capability, and may both use the network device or GNSS as a reference synchronization source; the CH can also pre-configure or realize per se according to the indication of the network equipment, and send the S-SSB on the sidestream carrier, thereby providing the synchronous information for the terminal which does not have the Uu interface receiving capability but has the capability of receiving sidestream information on the sidestream authorized carrier.

As another example, if the configuration information is sent in the manner 2-2-C2, the CH should preferably send the S-SSB on the sidelink unlicensed carrier.

For another example, if the mode 2-2-C3 is adopted, the CH should transmit S-SSB on at least the sidelink unlicensed carrier, and if the CH transmits S-SSB on both the sidelink licensed carrier and the sidelink unlicensed carrier, it is preferable that the transmission period of S-SSB on the sidelink unlicensed carrier is greater than the transmission period of S-SSB on the sidelink licensed carrier. In this case, the determination of whether the CH transmits the S-SSB on the sidelink licensed carrier is the same as when the CH transmits the configuration information in the manner 2-2-C1.

the CH sends scheduling information or side row feedback information according to the first configuration information, wherein the scheduling information is used for scheduling side row data; and/or the CH sends the scheduling information or receives the sidelink feedback information according to the second configuration information.

In some embodiments of the present application, the scheduling information is used to schedule the member terminal CM to transmit or receive the sidestream data on the sidestream authorized carrier and/or the sidestream unlicensed carrier.

For example, the CH may transmit sidelink transmissions of SCI scheduling CMs, the PSCCH carrying the SCI is transmitted on a sidelink licensed carrier or a sidelink unlicensed carrier, and the SCI includes ID information of the sidelink carrier where the scheduled sidelink transmissions are located.

In some embodiments of the present application, the set of resources corresponding to the sidelink data is resources configured for a network device or the CH. For example, the resource set is at least one of a plurality of resource pools configured by the network device on the sidelink licensed carrier; or the resource set is a subset of one resource pool configured by the network device on the sidelink grant carrier, where the subset includes all time slots and partial frequency domain resources of the one resource pool.

For example, the scheduled sidelink data transmission may be on a sidelink licensed carrier, or on a sidelink unlicensed carrier, for example, on a sidelink licensed carrier, and a sidelink transmission resource used for the sidelink data transmission belongs to a resource set configured by a network device or a CH. The resource set may be one of a plurality of resource pools configured by the network device on the sidelink licensed carrier; alternatively, the resource set may be a subset of a resource pool configured by the network device, and preferably, the subset includes all timeslots of the resource pool, but includes a part of frequency domain resources of the resource pool.

In some embodiments of the present application, the scheduling information is carried in sidelink control information SCI, where the SCI includes a first identifier and a second identifier, the first identifier is used to identify a source terminal, the source terminal is used to send a physical sidelink shared channel PSSCH according to the scheduling information, the second identifier is used to identify at least one target terminal, and the at least one target terminal is used to receive the PSSCH according to the scheduling information.

For example, a source terminal ID and a target terminal ID may be indicated in the SCI, where a terminal corresponding to the source terminal ID should transmit the PSSCH according to scheduling information of the SCI, and the target ID may correspond to one or more terminals that should receive the PSSCH according to the scheduling information of the SCI.

In some embodiments of the present application, the resource scheduled by the scheduling information is located in a sidelink grant carrier, and the resource scheduled by the scheduling information is only used for the CM to transmit or receive data with a priority higher than a third threshold or a latency requirement lower than a fourth threshold. Optionally, the third threshold or the fourth threshold is preset; or the third threshold or the fourth threshold is a threshold configured by a network device or the CH.

In some embodiments of the present application, the sidelink feedback information comprises hybrid automatic repeat request, HARQ, feedback information.

In some embodiments of the present application, the sidelink feedback information is carried on a physical channel, and a physical resource occupied by the physical channel on the sidelink authorized carrier is a resource determined according to the scheduling information and/or a time-frequency resource of the sidelink data.

For example, for a transmitted SCI scheduled to be transmitted by the scheduling peer, the CH may further receive HARQ feedback information of a terminal corresponding to the target ID on the peer grant carrier, and a physical resource occupied by a physical channel carrying the HARQ feedback information on the peer grant carrier may be determined by the time-frequency resource of the SCI, or determined according to the time-frequency resource where the peer data scheduled by the SCI is located.

In some embodiments of the present application, the scheduling information is used to schedule the CM to send or receive different orders of transmission data for the same data on the sidelink unlicensed carrier and the sidelink licensed carrier, respectively.

For example, for a sidelink TB scheduled on one carrier, the CH may schedule retransmission of that TB on a different carrier.

and the CH sends or receives the information of the channel occupation time COT.

For example, the CH may share the COT information with the CM, and may also use the COT information shared by the CM, preferably, the CH or the CM transmits the COT shared information on the sidelink grant carrier. For the CH, the COT sharing information may be transmitted through the manner 1-1-S1, the manner 1-1-S2, the manner 1-1-S3, or the manner 1-1-S4, and in addition, the CH may indicate the COT sharing information in the SCI scheduling the sideline data transmission. In addition, the CH may determine the access mode of the sidelink unlicensed carrier by using the COT information shared by the CMs.

and the CH determines the access mode of the unauthorized carrier based on the COT information.

In some embodiments of the present application, if the transmission resource of the sidelink data is located within the COT range indicated by the COT information, the CH accesses the unlicensed carrier according to a first access method, and if the transmission resource of the sidelink data is located outside the COT range indicated by the COT information, the CH accesses the unlicensed carrier according to a second access method, where time required by the first access method is less than time required by the second access method. Optionally, the first access manner and/or the second access manner are preset.

and the CH receives or transmits the side row data on the resource selected by the member terminal CM.

In some embodiments of the present application, the resources selected by the CM are located in a sidelink licensed carrier, and the resources selected by the CM are only used for the CM to send data with priority higher than a fifth threshold or with latency requirement lower than a sixth threshold. Optionally, the fifth threshold or the sixth threshold is preset; or the fifth threshold or the sixth threshold is a threshold configured by a network device or the CH.

In some embodiments of the present application, the first configuration information comprises at least one of:

It should be understood that the steps in the method 300 can refer to the corresponding steps in the method 200, and are not described herein again for brevity.

Fig. 10 is a schematic flow chart of a wireless communication method 400 provided by an embodiment of the present application. It should be understood that the method 400 may be performed by a terminal device located outside the coverage of a network device, or may be performed by a member terminal.

As shown in fig. 10, the method 400 may include:

it should be understood that the steps in the method 300 can refer to the corresponding steps in the method 200 or the method 300, and are not described herein again for brevity.

S410, the CM acquires first configuration information aiming at the side-row authorized carrier wave and/or second configuration information aiming at the side-row unauthorized carrier wave.

S420, the CM performs collateral communication according to the first configuration information and/or the second configuration information.

For example, the CM acquires the first configuration information and/or the second configuration information sent by a network device or a CH, and then performs sidestream communication based on the first configuration information and/or the second configuration information.

In some embodiments of the present application, the method 400 may further comprise:

In some embodiments of the present application, the second configuration information is configuration information sent by a network device, or the second configuration information is information determined by the CH. In some embodiments of the present application, the second configuration information comprises at least one of: the absolute radio frequency channel number ARFCN of the unauthorized carrier, the bandwidth BW of the unauthorized carrier, the bandwidth segmentation BWP configuration information of the unauthorized carrier, the subcarrier spacing SCS of the BWP of the unauthorized carrier, and a sidestream communication resource pool available to a terminal device on the unauthorized carrier.

In some embodiments of the present application, the S410 may include:

the CM receives the first configuration information and/or the second configuration information on the sidelink licensed carrier;

the CM receiving the first configuration information and/or the second configuration information on the sidelink unlicensed carrier;

the CM receives the first configuration information and/or the second configuration information on the sidelink authorized carrier wave and the sidelink unauthorized carrier wave.

In some embodiments of the present application, the second configuration information is carried on a physical channel, and a resource occupied by the physical channel is a time-frequency resource on the first authorized carrier. In some embodiments of the present application, the physical channel is a physical sidelink broadcast channel PSBCH, or the physical channel is a channel other than the PSBCH. In some embodiments of the present application, the time-frequency resource on the first authorized carrier is a resource of a sidelink synchronization signal and a sidelink broadcast channel block S-SSB, or the time-frequency resource on the first authorized carrier is a resource determined based on the resource of the S-SSB.

For example, for a CM with a side authorization carrier receiving capability, it may receive configuration signaling of a network device to obtain the first configuration information, in which case, the CM should have a Uu interface receiving capability. For example, the CM determines information such as ARFCN and bandwidth of the sidelink licensed carrier by pre-configuration, then detects that the S-SSB transmitted by the CH is synchronized with the CH on the sidelink licensed carrier, and then receives the information transmitted by the CH to determine other configuration information of the sidelink licensed carrier. The other sidestream configuration information on the sidestream authorized carrier at least comprises at least one of an Absolute Radio Frequency Channel Number (ARFCN) of the sidestream authorized carrier, a bandwidth BW of the sidestream authorized carrier, a bandwidth segment (BWP) configuration of the sidestream authorized carrier, a subcarrier interval SCS of the bandwidth segment of the sidestream authorized carrier, a sidestream communication resource pool available to the terminal device on the sidestream authorized carrier, a sidestream synchronization signal block (S-SSB) transmission resource on the sidestream authorized carrier, an ARFCN of one or more associated sidestream non-authorized carriers, and corresponding bandwidth.

In addition, the CM may determine, by receiving configuration information of the network device, all sidelink configurations of one or more unlicensed carriers associated with a certain sidelink licensed carrier, which may include at least one of ARFCNs and corresponding bandwidths of one or more unlicensed carriers, BWPs, SCS, and resource pool configurations of the sidelink unlicensed carriers; the CM may also determine, on the sidelink licensed carrier, all configuration information of one or more sidelink unlicensed carriers associated with the sidelink licensed carrier by receiving a signaling sent by the CH, in which case the CM has a capability of receiving the sidelink information on the sidelink licensed carrier; alternatively, the CM may determine the ARFCN and the corresponding bandwidth of one or more unlicensed carriers according to the preconfigured information, then detect that the S-SSB transmitted by the CH is synchronized with the CH on the one or more unlicensed carriers, and further receive signaling transmitted by the CH to determine other configuration information of the unlicensed carrier, where the other configuration information includes at least one of BWP, SCS, and resource pool configuration of the unlicensed carrier.

the CM determines a manner for receiving the first configuration information and/or the second configuration information.

In some embodiments of the present application, the manner for receiving the first configuration information and/or the second configuration information is preset; or, the manner for receiving the first configuration information and/or the second configuration information is information preconfigured for a network device; or, the manner for receiving the first configuration information and/or the second configuration information is information determined by the head of group terminal CH.

the CM receives a sideline synchronization signal and a sideline broadcast channel block S-SSB.

In some embodiments of the present application, if the member terminals CMs all have the capability of sending and receiving information over the Uu interface, the CMs use network devices as synchronization sources and do not receive the S-SSBs on the sidelink licensed carrier and/or the sidelink unlicensed carrier; or if the CM does not have Uu interface receiving capability but supports the capability of receiving information on the sidelink authorized carrier, the CM receives the S-SSB from the CM on the sidelink authorized carrier; or if the CM only supports the capability of receiving information on the sidelink unlicensed carrier, the CM receives the S-SSB to the CM on the sidelink unlicensed carrier.

In some embodiments of the present application, the CM receives scheduling information or transmitting side-row feedback information according to the first configuration information, where the scheduling information is used for scheduling side-row data; and/or the CM receives the scheduling information or sends the sideline feedback information according to the second configuration information.

In some embodiments of the present application, the scheduling information is used to schedule a member terminal CM to transmit or receive the sidestream data on the sidestream authorized carrier and/or the sidestream unlicensed carrier.

In some embodiments of the present application, the set of resources corresponding to the sidelink data is a resource configured for a network device or the CH.

In some embodiments of the present application, the resource set is at least one of a plurality of resource pools configured by the network device on the sidelink authorization carrier; or the resource set is a subset of one resource pool configured by the network device on the sidelink grant carrier, where the subset includes all time slots and partial frequency domain resources of the one resource pool.

In other words, the CM may transmit the side row data on the side row licensed carrier or on the side row unlicensed carrier. If the side-line data transmission resource belongs to a resource set, the CM receives the configuration signaling of the network equipment or CH to determine the resource set. For example, the resource set may be one of a plurality of resource pools configured by the network device on the sidelink grant carrier; alternatively, the resource set may be a subset of a resource pool configured by the network device, and preferably, the subset includes all timeslots of the resource pool but includes a part of frequency domain resources of the resource pool.

For example, the CM determines the transmitting terminal to which the scheduling information in the SCI is directed according to the source terminal ID indicated in the SCI, and specifically, if the source terminal ID is the same as the ID of the CM, the CM transmits the PSSCH according to the scheduling information of the SCI. For another example, the CM determines the receiving terminal to which the scheduling information in the SCI is directed according to the target ID indicated in the SCI, and specifically, if the target ID indicated in the SCI is the same as the ID of the CM, the CM should receive the sideline data sent by other terminals at the video resource location indicated by the SCI.

In some embodiments of the present application, the resource scheduled by the scheduling information is located in a sidelink authorized carrier, and the resource is only used for the CM to transmit or receive data with a priority higher than a third threshold or a latency requirement lower than a fourth threshold. In some embodiments of the present application, the third threshold or the fourth threshold is preset; or the third threshold or the fourth threshold is a threshold configured by a network device or the CH.

For example, the CM may receive SCIs sent by the CH on the sidestream grant carrier, and send sidestream data on the corresponding carrier according to the scheduling information carried in the SCIs. Preferably, the SCI includes ID information of a sideline carrier where scheduled sideline transmission is located. If the sidelink transmission scheduled by the SCI is located on the sidelink grant carrier, it is preferable that the scheduled CM can only transmit the sidelink data with priority higher than P or delay requirement lower than T using the scheduling resource, where the value of P or T is defined by the standard, configured by the network device or CH, or preconfigured.

For example, for a received SCI transmitted by a scheduling sidelink, the CM may further feed back HARQ feedback information to the CH on a sidelink grant carrier, and a physical resource occupied by a physical channel carrying the HARQ feedback information on the sidelink grant carrier may be determined by a time-frequency resource of the SCI, or determined according to a time-frequency resource where sidelink data transmission scheduled by the SCI is located.

In some embodiments of the present application, the scheduling information is used to schedule the CM to send or receive different orders of transmission data for the same data on the sidestream unlicensed carrier and the sidestream licensed carrier, respectively. For example, for a sidelink TB scheduled on one carrier, the CM may send a retransmission of that TB on a different carrier according to the scheduling indication of the CH.

In some embodiments of the present application, the method 400 may further include:

and the CM sends or receives information of the channel occupation time COT.

and the CM determines the access mode of the unauthorized carrier based on the COT information.

In some embodiments of the present application, if the transmission resource of the sidelink data is located within the COT range indicated by the COT information, the CM accesses the unlicensed carrier according to a first access method, and if the transmission resource of the sidelink data is located outside the COT range indicated by the COT information, the CM accesses the unlicensed carrier according to a second access method, where time required by the first access method is less than time required by the second access method.

In some embodiments of the present application, the first access manner and/or the second access manner is preset.

For example, the CM may determine an access manner of the sidelink unlicensed carrier according to COT shared information sent by the CH or another CM, specifically, if the sidelink transmission resource determined by the CM according to the SCI indication information is located in the sidelink unlicensed carrier and is located within a COT range indicated by the CH or a certain CM, the CM may access the unlicensed carrier according to the first type of access manner, and if the sidelink transmission resource determined by the CM according to the SCI indication information is located in the sidelink unlicensed carrier but is not located within the COT range shared by the CH or a certain CM, the CM should access the unlicensed carrier by using the second type of access manner. The first type access mode and the second type access mode are defined by a standard, and the time required by the first type access mode is less than that of the second type access mode.

In addition, the CM may also share the COT information to the CH or other CMs, preferably, the CM transmits the COT information on the sidelink grant carrier. The CM can send COT information through a mode 1-1-S1, a mode 1-1-S2, a mode 1-1-S3 or a mode 1-1-S4.

the CM transmits or receives side-line data on the resources selected by the CM.

In some embodiments of the present application, the resources selected by the CM are located in the sidelink licensed carrier, and the resources selected by the CM are only used for the CM to send or receive data with priority higher than a fifth threshold or with latency requirement lower than a sixth threshold. In some embodiments of the present application, the fifth threshold or the sixth threshold is preset; or the fifth threshold or the sixth threshold is a threshold configured by a network device or the CH. For example, the CM may autonomously select resources for sidelink transmission on a sidelink licensed carrier, and preferably, the CM transmits sidelink data with a priority higher than P or a latency requirement lower than T on the sidelink licensed carrier using the autonomously selected resources, where the value of P or T is defined by a standard, configured by a network device or CH, or preconfigured.

the absolute radio frequency channel number ARFCN of the side line carrier, the bandwidth BW of the side line carrier, the bandwidth segment BWP configuration information of the side line carrier, the subcarrier interval SCS of the BWP of the side line carrier, a side line communication resource pool available for the terminal equipment on the side line carrier, a side line synchronization signal on the side line carrier and a resource corresponding to the side line broadcast channel block S-SSB.

Fig. 11 is a schematic flow chart of a wireless communication method 500 provided by an embodiment of the present application. The method may be interactively executed by the group head terminal and the member terminal, and certainly, may also be interactively executed by a terminal device located in a range outside the network device and a terminal device located outside the coverage of the network device.

As shown in fig. 11, the method 500 may include:

s510, first configuration information aiming at the sidelink authorized carrier and second configuration information aiming at the sidelink unauthorized carrier are obtained.

S520, the first configuration information and/or the second configuration information.

In short, the first configuration information and/or the second configuration information acquired by the CM is information sent by the CN.

Based on the solutions shown in the methods 200 to 500, the present application provides a sidelink communication network structure capable of supporting two different types, namely, the absence of a central control node and the presence of a central control node. In a network environment without a central control node, a terminal can determine the configuration of a sidestream authorized carrier according to network equipment configuration information or configuration information sent by other terminals on a sidestream channel, and then perform sidestream communication by using one or more carriers; in a sidestream communication network environment with a central control node, a CH can determine configuration information of a sidestream authorized carrier and/or partial control information of a sidestream unauthorized carrier associated with the configuration information according to the configuration information of a network device, and a CM can determine the configuration information of the sidestream authorized carrier and one or more sidestream unauthorized carrier information corresponding to the configuration information of the network device, the configuration information sent by the CH and the pre-configuration information by receiving the configuration information of the network device, the configuration information sent by the CH and the pre-configuration information, so that sidestream communication between the CH and the CM and between the CM and one or more sidestream unauthorized carriers can be realized. In addition, because the terminal on the side row authorized carrier does not need to access a channel in a CSMA/CA mode, the reliability of side row data can be effectively improved, and the time delay is reduced.

The preferred embodiments of the present application have been described in detail with reference to the accompanying drawings, however, the present application is not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications are all within the protection scope of the present application. For example, the various features described in the foregoing detailed description may be combined in any suitable manner without contradiction, and various combinations that may be possible are not described in this application in order to avoid unnecessary repetition. For example, various embodiments of the present application may be arbitrarily combined with each other, and the same should be considered as the disclosure of the present application as long as the concept of the present application is not violated.

It should also be understood that, in the various method embodiments of the present application, the sequence numbers of the above-mentioned processes do not imply an execution sequence, and the execution sequence of the processes should be determined by their functions and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application. In addition, in the embodiment of the present application, the terms "downlink" and "uplink" are used to indicate the transmission direction of signals or data, where "downlink" is used to indicate that the transmission direction of signals or data is a first direction transmitted from a station to a user equipment of a cell, and "uplink" is used to indicate that the transmission direction of signals or data is a second direction transmitted from the user equipment of the cell to the station, for example, "downlink signal" indicates that the transmission direction of signals is the first direction. In addition, in the embodiment of the present application, the term "and/or" is only one kind of association relationship for describing an associated object, and means that three kinds of relationships may exist. Specifically, a and/or B may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The method embodiment of the present application is described in detail above with reference to fig. 1 to 11, and the apparatus provided by the present application is described below with reference to fig. 12 to 14.

Fig. 12 is a schematic block diagram of a terminal device 600 according to an embodiment of the present application.

It is to be understood that apparatus embodiments and method embodiments may correspond to one another and that similar descriptions may refer to method embodiments. Specifically, the terminal device 600 shown in fig. 12 may correspond to a corresponding main body for executing the methods 200 to 500 in the embodiments of the present application, and the foregoing and other operations and/or functions of each unit in the terminal device 600 are respectively for implementing corresponding flows in the methods in fig. 8 to 11, and are not repeated herein for brevity. In other words, the terminal device 600 may be a terminal device located within a coverage area of a network device, or a device located outside the coverage area of the network device, or a group head terminal, or a member terminal, which is not specifically limited in this embodiment of the present application. In other words, the terminal device may be applied to a system and/or a sidelink communication where a head terminal does not exist, and may also be applied to a system and/or a sidelink communication where a head terminal exists. Optionally, the group head terminal may also be referred to as a central control node.

The following describes terminal devices located within or outside the coverage area of the network device.

As shown in fig. 12, the terminal device 600 may include:

an obtaining unit 610, configured to obtain sideline configuration information for a sideline authorized carrier and a sideline unauthorized carrier;

a communication unit 620, configured to send and/or receive sidelink data on the sidelink authorized carrier and the sidelink unlicensed carrier according to the sidelink configuration information.

In some embodiments of the present application, the sidelink authorized carrier refers to a carrier that can be used for sidelink communication and the terminal device does not need to access the channel resource by channel sensing and/or avoidance, and/or the sidelink unauthorized carrier refers to a carrier that can be used for sidelink communication and the terminal device needs to access the channel resource by channel sensing and/or avoidance.

In some embodiments of the present application, the obtaining unit 610 is specifically configured to:

first configuration information on a sidelink licensed carrier is acquired.

In some embodiments of the present application, the first configuration information includes information carried on configuration signaling sent by a network device and/or information carried on sideline broadcast information sent by other terminal devices.

In some embodiments of the present application, the first configuration information includes information carried on configuration signaling sent by a network device, and the terminal device has a capability of transceiving information on a Uu interface.

In some embodiments of the present application, the first configuration information is indicated by sidelink broadcast information sent by other terminal devices on a first carrier, and the first carrier and the sidelink authorized carrier are the same or different.

In some embodiments of the present application, the obtaining unit 610 is further configured to:

determining the first carrier.

determining a frequency location of the first carrier and/or a bandwidth of the first carrier.

second configuration information on a sidelink unlicensed carrier is obtained.

information determined by the terminal device.

In some embodiments of the present application, the information carried on the configuration signaling sent by the network device includes at least one of the following: the absolute radio frequency channel number ARFCN of the sidestream unlicensed carrier, the bandwidth BW of the sidestream unlicensed carrier, and a resource pool available for sidestream communication by the terminal device on the sidestream unlicensed carrier.

In some embodiments of the present application, the second configuration information is indicated by configuration signaling sent by a network device, and the terminal device has a capability of sending and receiving information on a Uu interface.

In some embodiments of the present application, the second configuration information is determined by the terminal device, and the communication unit 620 is specifically configured to:

and sending the second configuration information determined by the terminal equipment to other terminal equipment.

determining the COT information of the channel occupation time of other terminal equipment on the sideline unauthorized carrier;

and determining a channel access mode aiming at the sidelink unlicensed carrier based on the COT information.

determining the COT information based on at least one of:

In some embodiments of the present application, the communication unit 620 is further configured to:

on a second carrier, sending the COT information to the other terminal equipment through physical layer signaling;

In some embodiments of the present application, resources used for sending service data on the second carrier have available resources within a time period [ t + a, t + b ], where t is a time when the terminal device determines the COT information, and a or b is a non-negative value; the communication unit 620 is specifically configured to:

and in the time period [ t + a, t + b ], sending the COT information to the other terminal equipment through the physical layer signaling on the second carrier.

In some embodiments of the present application, the resource for transmitting the service data on the second carrier does not have an available resource in a time period [ t + a, t + b ], and the communication unit 620 is specifically configured to:

triggering a resource selection operation or a resource reselection operation, and/or

And sending a scheduling request SR to network equipment, wherein the SR is used for requesting the network equipment to allocate sidestream resources to the terminal equipment.

and receiving or transmitting the side line synchronization signal and the side line broadcast channel block S-SSB.

In some embodiments of the present application, the communication unit 620 is specifically configured to:

if the terminal equipment has the capability of transmitting and receiving information on a Uu interface, taking network equipment as a synchronous source and not transmitting the S-SSB on the sideline authorized carrier and/or the sideline unauthorized carrier; or

Receiving the S-SSB on the sidelink licensed carrier if the terminal device does not have the capability of transceiving information on the Uu interface and supports the capability of receiving information on the sidelink licensed carrier; or alternatively

And if the terminal equipment only supports the capability of receiving information on the sidestream unauthorized carrier, receiving the S-SSB on the sidestream unauthorized carrier.

and acquiring first associated information, wherein the first associated information comprises the unauthorized carrier associated with the sidelink authorized carrier.

In some embodiments of the present application, the first association information includes bandwidth information of the unlicensed carrier and timing information of the unlicensed carrier.

In some embodiments of the present application, the first association information is preconfigured information, or the first association information is information sent by the terminal device through a sidelink physical broadcast channel PSBCH.

a physical sidelink shared channel PSSCH transmitted on the sidelink unlicensed carrier;

and sending hybrid automatic repeat request (HARQ) feedback information corresponding to the PSSCH on the side-line authorization carrier.

In some embodiments of the present application, the physical resource corresponding to the HARQ feedback information is a resource determined based on the time-frequency resource of the PSSCH and the carrier information where the PSSCH is located.

In some embodiments of the present application, the terminal device only uses for sending or receiving the sidestream data with priority higher than the first threshold or with latency requirement lower than the second threshold in the resource selected by the sidestream authorized carrier or the resource scheduled by the network device and located on the sidestream authorized carrier.

In some embodiments of the present application, the first threshold or the second threshold is preset; or the first threshold or the second threshold is a threshold configured by the network device.

In some embodiments of the present application, the sidelink unlicensed carrier and the sidelink licensed carrier are used to receive or transmit different orders of transmission data for the same data, respectively.

In some embodiments of the present application, a physical sidelink control channel PSCCH sent on the sidelink licensed carrier is used to schedule a resource corresponding to a physical sidelink shared channel PSCCH on an unlicensed carrier associated with the sidelink licensed carrier, where the PSCCH includes an identifier of the unlicensed carrier.

In some embodiments of the present application, a physical sidelink control channel PSCCH sent on the sidelink unlicensed carrier is used to schedule a resource corresponding to a physical sidelink shared channel PSCCH on a licensed carrier associated with the sidelink unlicensed carrier, where the PSCCH includes an identifier of the sidelink licensed carrier.

In some embodiments of the present application, the method is applied to sidelink unicast communication between two devices, the terminal device being any one of the two devices; or the method is applied to the side-row multicast communication among a plurality of devices, and the terminal device belongs to at least one device in the plurality of devices.

The group head terminal will be explained below. As shown in fig. 12, the terminal device 600 may include:

an obtaining unit 610, configured to obtain first configuration information for a sidelink licensed carrier and second configuration information for a sidelink unlicensed carrier;

a communication unit 620, configured to send the first configuration information and/or the second configuration information.

In some embodiments of the present application, the sidelink unlicensed carrier comprises one or more unlicensed carriers associated with the sidelink licensed carrier.

In some embodiments of the present application, the second configuration information is configuration information sent by a network device, or the second configuration information is information determined by the CH.

The second configuration information includes at least one of the following information:

the absolute radio frequency channel number ARFCN of the unauthorized carrier, the bandwidth BW of the unauthorized carrier, the bandwidth segmentation BWP configuration information of the unauthorized carrier, the subcarrier spacing SCS of the BWP of the unauthorized carrier, and a sidestream communication resource pool available to a terminal device on the unauthorized carrier.

transmitting the first configuration information and/or the second configuration information on the sidelink authorized carrier;

transmitting the first configuration information and/or the second configuration information on the sidelink unlicensed carrier;

and sending the first configuration information and/or the second configuration information on the sidelink authorized carrier wave and the sidelink unauthorized carrier wave.

In some embodiments of the present application, the second configuration information is carried on a physical channel, and a resource occupied by the physical channel is a time-frequency resource on the first authorized carrier.

In some embodiments of the present application, the physical channel is a physical sidelink broadcast channel PSBCH, or the physical channel is a channel other than the PSBCH.

In some embodiments of the present application, the time-frequency resource on the first authorized carrier is a resource of a sidelink synchronization signal and a sidelink broadcast channel block S-SSB, or the time-frequency resource on the first authorized carrier is a resource determined based on the resource of the S-SSB.

determining a manner for transmitting the first configuration information and/or the second configuration information.

and transmitting the side line synchronization signal and the side line broadcast channel block S-SSB.

if the member terminals CM have the capability of receiving and sending information on the Uu interface, the network equipment is taken as a synchronous source, and the S-SSB is not sent on the side row authorized carrier wave and/or the side row unauthorized carrier wave; or

If the CM does not have Uu interface receiving capability but supports the capability of receiving information on the side-line authorized carrier, the S-SSB is sent to the CM on the side-line authorized carrier; or alternatively

And if the CM only supports the capability of receiving information on the sidelink unlicensed carrier wave, sending the S-SSB to the CM on the sidelink unlicensed carrier wave.

sending scheduling information or receiving side row feedback information according to the first configuration information, wherein the scheduling information is used for scheduling side row data; and/or

And sending the scheduling information or receiving the sideline feedback information according to the second configuration information.

In some embodiments of the present application, the set of resources corresponding to the sidelink data is resources configured for a network device or the CH.

In some embodiments of the present application, the resource set is at least one of a plurality of resource pools configured by the network device on the sidelink authorization carrier; or the resource set is a subset of a resource pool configured by the network device on the sidelink authorized carrier, where the subset includes all time slots and partial frequency domain resources of the resource pool.

In some embodiments of the present application, the resource scheduled by the scheduling information is located in the sidelink authorized carrier, and the resource scheduled by the scheduling information is only used for the CM to send or receive data with priority higher than a third threshold or with latency requirement lower than a fourth threshold.

In some embodiments of the present application, the third threshold or the fourth threshold is preset; or the third threshold or the fourth threshold is a threshold configured by a network device or the CH.

and sending or receiving the information of the channel occupation time COT.

and determining the access mode of the unauthorized carrier based on the COT information.

if the transmission resource of the sidelink data is located in the COT range indicated by the COT information, the CH accesses the unauthorized carrier according to a first access mode, if the transmission resource of the sidelink data is located outside the COT range indicated by the COT information, the CH accesses the unauthorized carrier according to a second access mode, and the time required by the first access mode is less than the time required by the second access mode.

and receiving or transmitting the side row data on the resource selected by the member terminal CM.

In some embodiments of the present application, the resources selected by the CM are located in the sidelink licensed carrier, and the resources selected by the CM are only used for the CM to send data with priority higher than a fifth threshold or with latency requirement lower than a sixth threshold.

In some embodiments of the present application, the fifth threshold or the sixth threshold is preset; or the fifth threshold or the sixth threshold is a threshold configured by a network device or the CH.

The member terminal is explained below.

As shown in fig. 12, the terminal device 600 may include:

an obtaining unit 610, configured to obtain first configuration information for a sidelink licensed carrier and/or second configuration information for a sidelink unlicensed carrier;

a communication unit 620, configured to perform sideline communication according to the first configuration information and/or the second configuration information.

In some embodiments of the present application, the sidelink unlicensed carrier includes one or more unlicensed carriers associated with the sidelink licensed carrier.

receiving the first configuration information and/or the second configuration information on the sidelink authorized carrier;

receiving the first configuration information and/or the second configuration information on the sidelink unlicensed carrier;

and receiving the first configuration information and/or the second configuration information on the sidelink authorized carrier wave and the sidelink unauthorized carrier wave.

determining a manner for receiving the first configuration information and/or the second configuration information.

and receiving the side line synchronization signal and the side line broadcast channel block S-SSB.

if the member terminals CM all have the capability of receiving and sending information on the Uu interface, taking the network equipment as a synchronous source and not receiving the S-SSB on the side row authorized carrier wave and/or the side row unauthorized carrier wave; or

Receiving the S-SSB to the CM on the sidelink licensed carrier if the CM does not have Uu interface reception capability but supports the capability of receiving information on the sidelink licensed carrier; or

Receiving, by the CM, the S-SSB to the CM on the sidelink unlicensed carrier if the CM only supports the capability of receiving information on the sidelink unlicensed carrier.

receiving scheduling information or sending side row feedback information according to the first configuration information, wherein the scheduling information is used for scheduling side row data; and/or

And receiving scheduling information or sending side row feedback information according to the second configuration information.

In some embodiments of the present application, the resource scheduled by the scheduling information is located in the sidelink authorized carrier, and the resource scheduled by the scheduling information is only used for the CM to send or receive data with a priority higher than a third threshold or a latency requirement lower than a fourth threshold.

and sending or receiving the information of the channel occupation time COT.

if the transmission resource of the sidelink data is positioned in the COT range indicated by the COT information, accessing the unauthorized carrier wave according to a first access mode; and if the transmission resource of the sidelink data is positioned outside the COT range indicated by the COT information, accessing the unauthorized carrier according to a second access mode, wherein the time required by the first access mode is less than the time required by the second access mode.

the CM transmits or receives sideline data on the resource selected by the CM.

In some embodiments of the present application, the resources selected by the CM are used for the CM to send or receive data having a priority above a fifth threshold or a latency requirement below a sixth threshold.

The communication device of the embodiments of the present application is described above in connection with the drawings from the perspective of functional modules. It should be understood that the functional modules may be implemented by hardware, by instructions in software, or by a combination of hardware and software modules. Specifically, the steps of the method embodiments in the present application may be implemented by integrated logic circuits of hardware in a processor and/or instructions in the form of software, and the steps of the method disclosed in conjunction with the embodiments in the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. Alternatively, the software modules may be located in random access memory, flash memory, read only memory, programmable read only memory, electrically erasable programmable memory, registers, and the like, as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps in the above method embodiments in combination with hardware thereof. For example, the processing unit and the communication unit referred to above may be implemented by a processor and a transceiver, respectively.

Fig. 13 is a schematic configuration diagram of a communication apparatus 700 according to an embodiment of the present application.

As shown in fig. 13, the terminal device 700 may include a processor 710.

From which processor 710 may invoke and execute a computer program to implement the methods of the embodiments of the present application.

With continued reference to fig. 13, the terminal device 700 may also include a memory 720.

The memory 720 may be used for storing indication information, and may also be used for storing codes, instructions, etc. executed by the processor 710. From the memory 720, the processor 710 can call and run a computer program to implement the method in the embodiment of the present application. The memory 720 may be a separate device from the processor 710 or may be integrated into the processor 710.

With continued reference to fig. 13, the terminal device 700 may also include a transceiver 730.

The processor 710 may control the transceiver 730 to communicate with other devices, and specifically, may transmit information or data to the other devices or receive information or data transmitted by the other devices. The transceiver 730 may include a transmitter and a receiver. The transceiver 730 may further include an antenna, and the number of antennas may be one or more.

The various components in the terminal device 700 are illustratively connected via a bus system that includes a power bus, a control bus, and a status signal bus in addition to a data bus.

It is to be understood that apparatus embodiments and method embodiments may correspond to one another and that similar descriptions may refer to method embodiments. Specifically, the terminal device 700 shown in fig. 13 may correspond to a corresponding main body that executes the methods 200 to 500 in the embodiment of the present application, and the foregoing and other operations and/or functions of each unit in the terminal device 700 are not repeated herein for brevity in order to respectively implement the corresponding flows in the methods in fig. 8 to 11. In other words, the terminal device 700 may be a terminal device located within a coverage area of a network device, or a device located outside the coverage area of the network device, or a group head terminal, or a member terminal, which is not specifically limited in this embodiment of the present application.

In addition, the embodiment of the application also provides a chip.

For example, the chip may be an integrated circuit chip having signal processing capabilities and capable of implementing or executing the methods, steps and logic blocks disclosed in the embodiments of the present application. The chip may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc. Alternatively, the chip may be applied to various communication devices, so that the communication device mounted with the chip can execute the methods, steps and logic blocks disclosed in the embodiments of the present application.

Fig. 14 is a schematic block diagram of a chip 800 according to an embodiment of the present application.

As shown in fig. 14, the chip 800 includes a processor 810.

From which processor 810 may retrieve and execute a computer program to implement the methods of the embodiments of the present application.

With continued reference to fig. 14, the chip 800 may further include a memory 820.

From the memory 820, the processor 810 can call and run a computer program to implement the method in the embodiment of the present application. The memory 820 may be used for storing indication information and may also be used for storing codes, instructions, etc. executed by the processor 810. The memory 820 may be a separate device from the processor 810 or may be integrated into the processor 810.

With continued reference to fig. 14, the chip 800 may further include an input interface 830.

The processor 810 may control the input interface 830 to communicate with other devices or chips, and specifically, may obtain information or data transmitted by other devices or chips.

With continued reference to fig. 14, the chip 800 may further include an output interface 840.

The processor 810 can control the output interface 840 to communicate with other devices or chips, and in particular, can output information or data to other devices or chips.

Illustratively, the various components in the chip 800 are connected by a bus system that includes a power bus, a control bus, and a status signal bus in addition to a data bus.

It should be understood that the chip 800 may be applied to the terminal device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the terminal device in each method in the embodiment of the present application, and may also implement the corresponding process implemented by the terminal device in each method in the embodiment of the present application, which is not described herein again for brevity. For example, the terminal device may be a device located within a coverage area of the network device, or a device located outside the coverage area of the network device, or a group head terminal, or a member terminal, which is not specifically limited in this embodiment of the present application.

The processors referred to above may comprise, but are not limited to:

general purpose processors, digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like.

The processor may be used to implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, eprom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

The memories referred to above include, but are not limited to:

volatile memory and/or non-volatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM) which serves as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), double Data Rate Synchronous Dynamic random access memory (DDR SDRAM), enhanced Synchronous SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DR RAM).

It should be noted that the memory described herein is intended to comprise these and any other suitable types of memory.

The embodiment of the application also provides a computer readable storage medium for storing the computer program. The computer readable storage medium stores one or more programs, the one or more programs comprising instructions, which when executed by a portable electronic device comprising a plurality of application programs, enable the portable electronic device to perform the methods of the illustrated embodiments of methods 200-500. Optionally, the computer-readable storage medium may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

The embodiment of the application also provides a computer program product comprising the computer program. Optionally, the computer program product may be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method in the embodiment of the present application, which is not described herein again for brevity.

Also provided in embodiments herein is a computer program comprising instructions which, when executed by a portable electronic device comprising a plurality of application programs, enable the portable electronic device to perform the methods of the illustrated embodiments of methods 200-500. In other words, the computer program, when executed by a computer, enables the computer to perform the methods of the illustrated embodiments of the methods 300-500.

In addition, an embodiment of the present application further provides a communication system, where the communication system may include the above-mentioned terminal device and/or network device to form a communication system as shown in fig. 1 to 7, and details are not repeated herein for brevity. It should be noted that the term "system" and the like herein may also be referred to as "network management architecture" or "network system" and the like.

It is also to be understood that the terminology used in the embodiments of the present application and the appended claims is for the purpose of describing particular embodiments only, and is not intended to be limiting of the embodiments of the present application.

For example, as used in the examples of this application and the appended claims, the singular forms "a," "an," "the," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the embodiments of the present application.

If implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways.

For example, the division of a unit or a module or a component in the above-described device embodiments is only one logical function division, and there may be other divisions in actual implementation, for example, a plurality of units or modules or components may be combined or may be integrated into another system, or some units or modules or components may be omitted, or not executed.

Also for example, the units/modules/components described above as separate/display components may or may not be physically separate, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the units/modules/components can be selected according to actual needs to achieve the purposes of the embodiments of the present application.

Finally, it should be noted that the above shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The above description is only a specific implementation of the embodiments of the present application, but the scope of the embodiments of the present application is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the embodiments of the present application, and all the changes or substitutions should be covered by the scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application shall be subject to the protection scope of the claims.

Claims

A wireless communication method applied to sidelink communication without a central control node, the method comprising:

the terminal equipment acquires the sideline configuration information aiming at the sideline authorized carrier and the sideline unauthorized carrier;

and the terminal equipment transmits and/or receives the sidestream data on the sidestream authorized carrier wave and the sidestream unauthorized carrier wave according to the sidestream configuration information.
The method according to claim 1, wherein the sidelink licensed carrier refers to a carrier that can be used for sidelink communication and the terminal device does not need to access channel resources by channel sensing and/or back-off, and/or wherein the sidelink unlicensed carrier refers to a carrier that can be used for sidelink communication and the terminal device needs to access channel resources by channel sensing and/or back-off.
The method according to claim 1 or 2, wherein the terminal device obtains the sidelink configuration information for the sidelink licensed carrier and the sidelink unlicensed carrier, and comprises:

the terminal equipment acquires first configuration information on a side-line authorized carrier.
The method according to claim 3, wherein the first configuration information comprises information carried on configuration signaling sent by a network device and/or information carried on sidestream broadcast information sent by other terminal devices.
The method of claim 3, wherein the first configuration information comprises information carried on configuration signaling sent by a network device, and wherein the terminal device is capable of transceiving information on a Uu interface.
The method of claim 3, wherein the first configuration information is indicated by sidelink broadcast information sent by other terminal devices on a first carrier, and wherein the first carrier is the same as or different from the sidelink grant carrier.
The method of claim 6, further comprising:

the terminal device determines the first carrier.
The method of claim 7, wherein the determining, by the terminal device, the first carrier comprises:

and the terminal equipment determines the frequency position of the first carrier and/or the bandwidth of the first carrier.
The method according to claim 1 or 2, wherein the terminal device obtains the sidelink configuration information for the sidelink licensed carrier and the sidelink unlicensed carrier, and comprises:

the terminal equipment acquires second configuration information on a sideline non-authorized carrier.
The method of claim 9, wherein the second configuration information comprises at least one of:

carrying information on a configuration signaling sent by the network equipment;

carrying information on sideline broadcast information sent by other terminal equipment;

the terminal equipment interacts the acquired information with the other terminal equipment; and

information determined by the terminal device.
The method of claim 10, wherein the information carried on the configuration signaling sent by the network device comprises at least one of: the absolute radio frequency channel number ARFCN of the side-row unauthorized carrier, the bandwidth BW of the side-row unauthorized carrier and a resource pool which can be used for side communication by the terminal equipment on the side-row unauthorized carrier.
The method according to claim 9 or 10, wherein the second configuration information is indicated by configuration signaling sent by a network device, and the terminal device is capable of transceiving information on a Uu interface.
The method according to claim 9 or 10, wherein the second configuration information is determined by the terminal device, the method further comprising:

and the terminal equipment sends the second configuration information determined by the terminal equipment to other terminal equipment.
The method according to any one of claims 1 to 13, further comprising:

the terminal equipment determines the COT information of the channel occupation time of other terminal equipment on the sidestream unauthorized carrier;

and the terminal equipment determines a channel access mode aiming at the sidestream unauthorized carrier based on the COT information.
The method of claim 14, wherein the determining, by the terminal device, channel occupancy time, COT, information of other terminal devices on the sidelink unlicensed carrier comprises:

the terminal device determines the COT information based on at least one of the following information:

the terminal equipment receives information sent by other terminal equipment on the sidestream unauthorized carrier;

and the terminal equipment receives the information sent by the other terminal equipment on the authorized carrier associated with the sidestream unauthorized carrier.
The method of claim 14, further comprising:

the terminal equipment sends the COT information to other terminal equipment on a second carrier through physical layer signaling;

the second carrier comprises at least one of the sidestream unlicensed carrier, an unlicensed carrier associated with the sidestream unlicensed carrier, and a licensed carrier associated with the sidestream unlicensed carrier.
The method of claim 16, wherein resources for transmitting traffic data on the second carrier have available resources within a time period [ t + a, t + b ], where t is a time for the terminal device to determine the COT information, and a or b is a non-negative value;

the terminal device sends the COT information to the other terminal devices through a physical layer signaling on a second carrier, including:

and the terminal equipment sends the COT information to other terminal equipment through the physical layer signaling in the time period [ t + a, t + b ] on the second carrier.
The method of claim 16, wherein the resources on the second carrier for transmitting traffic data are absent of available resources for a time period [ t + a, t + b ], the method further comprising:

the terminal equipment triggers resource selection operation or resource reselection operation, and/or

The terminal equipment sends a scheduling request SR to network equipment, wherein the SR is used for requesting the network equipment to allocate sidestream resources to the terminal equipment.
The method according to claim 17 or 18, wherein a or b is a preset value or a preset value.
The method of any of claims 16 to 19, wherein the physical layer signaling is carried on a sidelink physical control channel (PSCCH) or a sidelink physical data channel (PSSCH).
The method according to any one of claims 1 to 20, further comprising:

and the terminal equipment receives or transmits the side line synchronization signal and the side line broadcast channel block S-SSB.
The method of claim 21, wherein the terminal device receives or transmits a sidelink synchronization signal and a sidelink broadcast channel block S-SSB, comprising:

if the terminal equipment has the capability of transmitting and receiving information on a Uu interface, the terminal equipment takes network equipment as a synchronous source and transmits the S-SSB on the sideline authorized carrier and/or the sideline unauthorized carrier according to the configuration of the network equipment; or

If the terminal equipment does not have the capability of transmitting and receiving information on a Uu interface and supports the capability of receiving information on the sidelink authorized carrier, the terminal equipment receives the S-SSB on the sidelink authorized carrier; or

And if the terminal equipment only supports the capability of receiving information on the sidestream unauthorized carrier, the terminal equipment receives the S-SSB on the sidestream unauthorized carrier.
The method of claim 22, wherein a transmission period of the S-SSB on the sidelink unlicensed carrier is greater than a transmission period of the S-SSB on the sidelink licensed carrier.
The method according to any one of claims 1 to 23, further comprising:

the terminal equipment acquires first associated information, wherein the first associated information comprises an unauthorized carrier associated with the sidelink authorized carrier.
The method of claim 24, wherein the first association information comprises bandwidth information of the unlicensed carrier and timing information of the unlicensed carrier.
The method of claim 24, wherein the first association information is preconfigured information or is information transmitted by the terminal device through a sidelink physical broadcast channel (PSBCH).
The method of claim 24, further comprising:

and the terminal equipment receives the configuration information of the unauthorized carrier wave sent by the network equipment.
The method according to any one of claims 1 to 27, wherein the terminal device transmits and/or receives sidelink data on the sidelink authorized carrier and the sidelink unlicensed carrier according to the sidelink configuration information, comprising:

a physical sidelink shared channel PSSCH sent by the terminal equipment on the sidelink unlicensed carrier wave;

and the terminal equipment sends hybrid automatic repeat request (HARQ) feedback information corresponding to the PSSCH on the side-line authorization carrier.
The method of claim 28, wherein the physical resource corresponding to the HARQ feedback information is a resource determined based on a time-frequency resource of the psch and carrier information where the psch is located.
The method according to any of claims 1 to 29, wherein the resources selected by the terminal device on the sidestream authorization carrier or the resources scheduled by the network device and located on the sidestream authorization carrier are only used for transmitting or receiving sidestream data with priority higher than a first threshold or latency requirement lower than a second threshold.
The method of claim 30, wherein the first threshold or the second threshold is preset; or the first threshold or the second threshold is a threshold configured by a network device.
The method according to any of claims 1 to 31, wherein the sidelink unlicensed carrier and the sidelink licensed carrier are used for receiving or transmitting, respectively, different orders of transmitted data for the same data.
The method of any one of claims 1 to 32, wherein a Physical Sidelink Control Channel (PSCCH) transmitted on the sidelink licensed carrier is used for scheduling resources corresponding to a Physical Sidelink Shared Channel (PSSCH) on an unlicensed carrier associated with the sidelink licensed carrier, the PSCCH including an identity of the unlicensed carrier.
The method of any one of claims 1 to 33, wherein a Physical Sidelink Control Channel (PSCCH) transmitted on the sidelink unlicensed carrier is used for scheduling resources corresponding to a Physical Sidelink Shared Channel (PSSCH) on a licensed carrier associated with the sidelink unlicensed carrier, the PSCCH including an identification of the sidelink licensed carrier.
The method according to any one of claims 1 to 34, wherein the collateral configuration information comprises at least one of the following information:

the method comprises the following steps of determining an absolute radio frequency channel number ARFCN of a sideline carrier, a bandwidth BW of the sideline carrier, bandwidth segmentation BWP configuration information of the sideline carrier, a subcarrier interval SCS of the BWP of the sideline carrier, a sideline communication resource pool available for a terminal device on the sideline carrier, a sideline synchronization signal on the sideline carrier and a resource corresponding to a sideline broadcast channel block S-SSB.
The method of claim 35, wherein the sidestream configuration information further comprises an Absolute Radio Frequency Channel Number (ARFCN) of an unlicensed carrier associated with the sidestream licensed carrier and a bandwidth of the unlicensed carrier.
The method according to any one of claims 1 to 36, wherein the method is applied to sidelink unicast communication between two devices, wherein the terminal device is any one of the two devices; or the method is applied to the side-row multicast communication among a plurality of devices, and the terminal device belongs to at least one device in the plurality of devices.
A method of wireless communication, comprising:

a head-of-group terminal CH acquires first configuration information aiming at a sideline authorized carrier and second configuration information aiming at a sideline unauthorized carrier;

the CH transmits the first configuration information and/or the second configuration information.
The method of claim 38, wherein the first configuration information and/or the second configuration information is information configured by a network device.
The method of claim 38 or 39, wherein the sidelink unlicensed carrier comprises one or more unlicensed carriers associated with the sidelink licensed carrier.
The method of claim 40, wherein the second configuration information is configuration information sent by a network device, or wherein the second configuration information is information determined by the CH.
The method of claim 40 or 41, the second configuration information comprising at least one of:

absolute radio frequency channel number ARFCN of the unlicensed carrier, bandwidth BW of the unlicensed carrier, bandwidth segment BWP configuration information of the unlicensed carrier, subcarrier spacing SCS of BWP of the unlicensed carrier, and sidelink communication resource pool available to the terminal device on the unlicensed carrier.
The method according to any of claims 38 to 42, wherein the CH sending the first configuration information and/or the second configuration information comprises:

the CH sends the first configuration information and/or the second configuration information on the sidestream authorization carrier;

the CH sends the first configuration information and/or the second configuration information on the sidelink unlicensed carrier;

and the CH sends the first configuration information and/or the second configuration information on the sidelink authorized carrier wave and the sidelink unauthorized carrier wave.
The method according to any of claims 38 to 43, wherein the second configuration information is carried on a physical channel, and the resource occupied by the physical channel is a time-frequency resource on the first authorized carrier.
The method of claim 44, wherein the physical channel is a Physical Sidelink Broadcast Channel (PSBCH), or wherein the physical channel is a channel different from the PSBCH.
The method of claim 44 or 45, wherein the time-frequency resources on the first licensed carrier are resources of a sidelink synchronization signal and a sidelink broadcast channel block, S-SSB, or wherein the time-frequency resources on the first licensed carrier are resources determined based on the resources of the S-SSB.
The method of any one of claims 38 to 46, further comprising:

the CH determines a manner for transmitting the first configuration information and/or the second configuration information.
The method according to claim 47, wherein the manner for transmitting the first configuration information and/or the second configuration information is preset; or, the manner for sending the first configuration information and/or the second configuration information is information preconfigured for a network device; or, the manner for transmitting the first configuration information and/or the second configuration information is information determined by the CH.
The method of any one of claims 38 to 48, further comprising:

the CH sends the sideline synchronization signal and the sideline broadcast channel block S-SSB.
The method of claim 49, wherein the CH transmits a sidelink synchronization signal and a sidelink broadcast channel block, S-SSB, comprising:

if the member terminals CM all have the capability of sending and receiving information on the Uu interface, the CH takes network equipment as a synchronous source and does not send the S-SSB on the sideline authorized carrier wave and/or the sideline unauthorized carrier wave; or alternatively

If the CM does not have Uu interface receiving capability but supports the capability of receiving information on the sidelink authorized carrier, the CH sends the S-SSB to the CM on the sidelink authorized carrier; or alternatively

And if the CM only supports the capability of receiving information on the sidelink unlicensed carrier wave, the CH sends the S-SSB to the CM on the sidelink unlicensed carrier wave.
The method of claim 50, wherein a transmission period of the S-SSBs on the sidelink unlicensed carrier is greater than a transmission period of the S-SSBs on the sidelink licensed carrier.
The method of any one of claims 38 to 51, further comprising:

the CH sends scheduling information or side row feedback information according to the first configuration information, wherein the scheduling information is used for scheduling side row data; and/or

And the CH sends the scheduling information or receives the sideline feedback information according to the second configuration information.
The method of claim 52, wherein the scheduling information is used for scheduling a member terminal (CM) to transmit or receive the sidestream data on the sidestream licensed carrier and/or the sidestream unlicensed carrier.
The method of claim 52 or 53, wherein the set of resources corresponding to the sidelink data is configured as resources of a network device or the CH.
The method of claim 54, wherein the set of resources is at least one of a plurality of resource pools configured by the network device on the sidelink grant carrier; or the resource set is a subset of one resource pool configured by the network device on the sidelink grant carrier, where the subset includes all time slots and partial frequency domain resources of the one resource pool.
The method of any of claims 52 to 55, wherein the scheduling information is carried in Sidelink Control Information (SCI), wherein the SCI comprises a first identifier and a second identifier, wherein the first identifier is used for identifying a source terminal, wherein the source terminal is used for transmitting a Physical Sidelink Shared Channel (PSSCH) according to the scheduling information, wherein the second identifier is used for identifying at least one target terminal, and wherein the at least one target terminal is used for receiving the PSSCH according to the scheduling information.
The method of any of claims 52 to 56, wherein the resources scheduled by the scheduling information are located in the sidelink grant carrier, and wherein the resources scheduled by the scheduling information are only used for the CM to transmit or receive data with a priority higher than a third threshold or a latency requirement lower than a fourth threshold.
The method of claim 57, wherein the third threshold or the fourth threshold is preset; or the third threshold or the fourth threshold is a threshold configured by a network device or the CH.
The method according to any of claims 52 to 58, wherein the sidelink feedback information comprises hybrid automatic repeat request, HARQ, feedback information.
The method according to claim 59, wherein the sidelink feedback information is carried on a physical channel, and physical resources occupied by the physical channel on the sidelink grant carrier are resources determined according to the scheduling information and/or time-frequency resources of the sidelink data.
The method of any of claims 52 to 60, wherein the scheduling information is used to schedule the CM to send or receive different orders of transmission data for the same data on the sidelink unlicensed carrier and the sidelink licensed carrier, respectively.
The method of any one of claims 38 to 61, further comprising:

and the CH sends or receives the information of the channel occupation time COT.
The method of claim 62, further comprising:

and the CH determines the access mode of the unauthorized carrier based on the COT information.
The method of claim 63, wherein the CH determining the access mode of the unlicensed carrier based on the COT information comprises:

if the transmission resource of the sidelink data is located in the COT range indicated by the COT information, the CH accesses the unauthorized carrier according to a first access mode, and if the transmission resource of the sidelink data is located outside the COT range indicated by the COT information, the CH accesses the unauthorized carrier according to a second access mode, wherein the time required by the first access mode is less than the time required by the second access mode.
The method of claim 64, wherein the first access mode and/or the second access mode is predetermined.
The method of any one of claims 38 to 65, further comprising:

and the CH receives or transmits the side row data on the resources selected by the member terminal CM.
The method of claim 66 wherein the CM selected resources are located in the sidelink licensed carrier and are only used for data that has a priority higher than a fifth threshold or a latency requirement lower than a sixth threshold.
The method of claim 67, wherein the fifth threshold or the sixth threshold is preset; or the fifth threshold or the sixth threshold is a threshold configured by a network device or the CH.
The method according to any of claims 38 to 68, wherein the first configuration information comprises at least one of:

the method comprises the following steps of determining an absolute radio frequency channel number ARFCN of a sideline carrier, a bandwidth BW of the sideline carrier, bandwidth segmentation BWP configuration information of the sideline carrier, a subcarrier interval SCS of the BWP of the sideline carrier, a sideline communication resource pool available for a terminal device on the sideline carrier, a sideline synchronization signal on the sideline carrier and a resource corresponding to a sideline broadcast channel block S-SSB.
The method according to claim 69, wherein the sidestream configuration information further comprises an Absolute Radio Frequency Channel Number (ARFCN) of an unlicensed carrier associated with the sidestream licensed carrier and a bandwidth of the unlicensed carrier.
A method of wireless communication, comprising:

a member terminal CM acquires first configuration information aiming at a sidelink authorized carrier and/or second configuration information aiming at a sidelink unauthorized carrier;

and the CM performs sideline communication according to the first configuration information and/or the second configuration information.
The method of claim 71, wherein the first configuration information and/or the second configuration information is information configured by a network device.
The method of claim 71 or 72, wherein the sidelink unlicensed carrier comprises one or more unlicensed carriers associated with the sidelink licensed carrier.
The method of claim 73, wherein the second configuration information is configuration information sent by a network device, or wherein the second configuration information is information determined by the CH.
The method of claim 73 or 74, the second configuration information comprising at least one of:

the absolute radio frequency channel number ARFCN of the unauthorized carrier, the bandwidth BW of the unauthorized carrier, the bandwidth segmentation BWP configuration information of the unauthorized carrier, the subcarrier spacing SCS of the BWP of the unauthorized carrier, and a sidestream communication resource pool available to a terminal device on the unauthorized carrier.
The method according to any of claims 71 to 75, wherein the acquiring, by the member terminal CM, the first configuration information for a sidelink licensed carrier and/or the second configuration information for a sidelink unlicensed carrier comprises:

the CM receives the first configuration information and/or the second configuration information on the sidelink licensed carrier;

the CM receiving the first configuration information and/or the second configuration information on the sidelink unlicensed carrier;

the CM receives the first configuration information and/or the second configuration information on the sidelink authorized carrier wave and the sidelink unauthorized carrier wave.
The method according to any of claims 71-76, wherein the second configuration information is carried on a physical channel, and wherein the resource occupied by the physical channel is a time-frequency resource on the first authorized carrier.
The method of claim 77, wherein the physical channel is a Physical Sidelink Broadcast Channel (PSBCH), or wherein the physical channel is a channel different from the PSBCH.
The method of claim 77 or 78, wherein the time-frequency resources on the first licensed carrier are resources of a sidelink synchronization signal and a sidelink broadcast channel block, S-SSB, or wherein the time-frequency resources on the first licensed carrier are resources determined based on the resources of the S-SSB.
The method of any one of claims 71 to 79, further comprising:

the CM determines a manner for receiving the first configuration information and/or the second configuration information.
The method according to claim 80, wherein the manner for receiving the first configuration information and/or the second configuration information is preset; or, the manner for receiving the first configuration information and/or the second configuration information is information preconfigured for a network device; or, the manner for receiving the first configuration information and/or the second configuration information is information determined by a head of group terminal CH.
The method of any one of claims 71 to 81, further comprising:

the CM receives a sideline synchronization signal and a sideline broadcast channel block S-SSB.
The method of claim 82, wherein the CM receives a sideline synchronization signal and a sideline broadcast channel block S-SSB, comprising:

if the member terminals CM all have the capability of sending and receiving information on the Uu interface, the CM takes network equipment as a synchronous source and does not receive the S-SSB on the side-line authorized carrier wave and/or the side-line unauthorized carrier wave; or alternatively

If the CM does not have Uu interface receiving capability but supports the capability of receiving information on the sidelink authorized carrier, the CM receives the S-SSB to the CM on the sidelink authorized carrier; or

If the CM only supports the capability of receiving information on the sidelink unlicensed carrier, the CM receives the S-SSB to the CM on the sidelink unlicensed carrier.
The method of claim 83, wherein a transmission period of S-SSBs on the sidelink unlicensed carrier is greater than a transmission period of S-SSBs on the sidelink licensed carrier.
The method of any of claims 71 to 84, wherein the CM conducting sidestream communication according to the first configuration information and/or the second configuration information, comprising:

the CM receives scheduling information or sending side row feedback information according to the first configuration information, wherein the scheduling information is used for scheduling side row data; and/or

And the CM receives the scheduling information or sends the sideline feedback information according to the second configuration information.
The method of claim 85, wherein the scheduling information is used for scheduling the member terminal (CM) to transmit or receive the sidestream data on the sidestream licensed carrier and/or the sidestream unlicensed carrier.
The method of claim 85 or 86, wherein the set of resources corresponding to the sidelink data is configured as resources of a network device or the CH.
The method of claim 87, wherein the set of resources is at least one of a plurality of resource pools configured by the network device on the sidelink grant carrier; or the resource set is a subset of one resource pool configured by the network device on the sidelink grant carrier, where the subset includes all time slots and partial frequency domain resources of the one resource pool.
The method of any one of claims 85 to 88, wherein the scheduling information is carried in Sidelink Control Information (SCI), wherein the SCI comprises a first identity and a second identity, wherein the first identity is used for identifying a source terminal, wherein the source terminal is used for transmitting a Physical Sidelink Shared Channel (PSSCH) according to the scheduling information, wherein the second identity is used for identifying at least one target terminal, and wherein the at least one target terminal is used for receiving the PSSCH according to the scheduling information.
The method of any one of claims 85 to 89, wherein the resources scheduled by the scheduling information are located in the sidelink grant carrier, and wherein the resources scheduled by the scheduling information are only used for the CM to transmit or receive data with a priority higher than a third threshold or a latency requirement lower than a fourth threshold.
The method of claim 90, wherein the third threshold or the fourth threshold is preset; or the third threshold or the fourth threshold is a threshold configured by a network device or the CH.
The method according to any of claims 85-91, wherein the sidelink feedback information comprises hybrid automatic repeat request, HARQ, feedback information.
The method of claim 92, wherein the sidelink feedback information is carried on a physical channel, and wherein physical resources occupied by the physical channel on the sidelink grant carrier are resources determined according to the scheduling information and/or time-frequency resources of the sidelink data.
The method of any of claims 85 to 93, wherein the scheduling information is used to schedule the CM to send or receive different orders of transmission data for the same data on the sidestream unlicensed carrier and the sidestream licensed carrier, respectively.
The method of any one of claims 71 to 94, further comprising:

and the CM sends or receives information of the channel occupation time COT.
The method of claim 95, further comprising:

and the CM determines the access mode of the unauthorized carrier based on the COT information.
The method of claim 96, wherein the CM determining the access mode of the unlicensed carrier based on the COT information comprises:

if the transmission resource of the sidelink data is located in the COT range indicated by the COT information, the CM accesses the unauthorized carrier wave according to a first access mode, and if the transmission resource of the sidelink data is located outside the COT range indicated by the COT information, the CM accesses the unauthorized carrier wave according to a second access mode, wherein the time required by the first access mode is less than the time required by the second access mode.
The method of claim 97, wherein the first access scheme and/or the second access scheme is predetermined.
The method of any one of claims 71 to 98, further comprising:

the CM transmits or receives side-line data on the resources selected by the CM.
The method of claim 99 wherein the resources selected by the CM are used for the CM to send or receive data having a priority above a fifth threshold or a latency requirement below a sixth threshold.
The method of claim 100, wherein the fifth threshold or the sixth threshold is preset; or the fifth threshold or the sixth threshold is a threshold configured by a network device or the CH.
The method of any one of claims 71 to 101, wherein the first configuration information comprises at least one of:

the method comprises the following steps of determining an absolute radio frequency channel number ARFCN of a sideline carrier, a bandwidth BW of the sideline carrier, bandwidth segmentation BWP configuration information of the sideline carrier, a subcarrier interval SCS of the BWP of the sideline carrier, a sideline communication resource pool available for a terminal device on the sideline carrier, a sideline synchronization signal on the sideline carrier and a resource corresponding to a sideline broadcast channel block S-SSB.
The method according to claim 102, wherein the sidestream configuration information further comprises an absolute radio frequency channel number, ARFCN, of an unlicensed carrier associated with the sidestream licensed carrier and a bandwidth of the unlicensed carrier.
A terminal device, wherein the terminal device is applied to sidelink communication without a central control node, and the terminal device comprises:

the acquisition unit is used for acquiring the sideline configuration information aiming at the sideline authorized carrier and the sideline unauthorized carrier;

and the communication unit is used for transmitting and/or receiving the sidestream data on the sidestream authorized carrier wave and the sidestream unauthorized carrier wave according to the sidestream configuration information.
A terminal device, comprising:

the acquisition unit is used for acquiring first configuration information aiming at a sidelink authorized carrier and second configuration information aiming at a sidelink unauthorized carrier;

a communication unit, configured to send the first configuration information and/or the second configuration information.
A terminal device, comprising:

the acquisition unit is used for acquiring first configuration information aiming at a sidelink authorized carrier and/or second configuration information aiming at a sidelink unauthorized carrier;

and the communication unit is used for performing sideline communication according to the first configuration information and/or the second configuration information.
A terminal device, comprising:

a processor, a memory for storing a computer program, and a transceiver, the processor for invoking and executing the computer program stored in the memory to perform the method of any one of claims 1-37.
A terminal device, comprising:

a processor, a memory for storing a computer program, and a transceiver, the processor for invoking and executing the computer program stored in the memory to perform the method of any one of claims 38-70.
A terminal device, comprising:

a processor, a memory for storing a computer program, and a transceiver, the processor for invoking and executing the computer program stored in the memory to perform the method of any of claims 71-103.
A chip, comprising:

a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 1 to 37.
A chip, comprising:

a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any one of claims 38 to 70.
A chip, comprising:

a processor for calling and running a computer program from a memory so that a device on which the chip is installed performs the method of any of claims 71 to 103.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 1 to 37.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 38 to 70.
A computer-readable storage medium for storing a computer program which causes a computer to perform the method of any one of claims 71 to 103.
A computer program product comprising computer program instructions to cause a computer to perform the method of any one of claims 1 to 37.
A computer program product comprising computer program instructions to cause a computer to perform the method of any of claims 38 to 70.
A computer program product comprising computer program instructions to cause a computer to perform the method of any of claims 71 to 103.
A computer program, characterized in that the computer program causes a computer to perform the method according to any one of claims 1 to 37.
A computer program, characterized in that the computer program causes a computer to perform the method according to any of claims 38 to 70.
A computer program, characterized in that the computer program causes a computer to perform the method of any of claims 71 to 103.